-
Abenaki
a member of the Algonquian people of Maine and southern Quebec
-
absorbing
capable of arousing and holding the attention
-
acetamide
a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds
-
acetate
a fabric made from fibers of cellulose acetate
-
acetic
relating to or containing acetic acid
-
acetic acid
a colorless pungent liquid widely used in manufacturing plastics and pharmaceuticals
-
acicular
narrow and long and pointed; as pine leaves
-
acid
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
-
actinolite
a green mineral of the amphibole group; calcium magnesium iron silicate
-
activated
rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
-
acumen
shrewdness shown by keen insight
-
aggregate
a sum total of many heterogenous things taken together
-
agricultural
relating to or used in or promoting agriculture or farming
-
albite
a widely distributed feldspar that forms rocks
-
Algonquian
a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coast
-
alkaline
relating to or containing an alkali; having a pH greater than 7
-
alley
a narrow street with walls on both sides
-
allied
joined by treaty or agreement
-
alloy
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
-
almandine
a deep red garnet consisting of iron aluminum silicate
-
almandite
a deep red garnet consisting of iron aluminum silicate
-
alpha
the 1st letter of the Greek alphabet
-
also
in addition
-
also known as
as known or named at another time or place
-
alteration
the act of revising or altering (involving reconsideration and modification)
-
alum
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
-
aluminium
a silvery ductile metallic element found primarily in bauxite
-
aluminous
pertaining to or containing aluminum or alum
-
aluminum
a silvery ductile metallic element found primarily in bauxite
-
aluminum oxide
any of various forms of aluminum oxide occurring naturally as corundum
-
amalgam
a combination or blend of diverse things
-
amber
a hard yellowish to brownish translucent fossil resin; used for jewelry
-
amblygonite
a white or grey mineral consisting of lithium aluminum phosphate; a source of lithium
-
amethyst
a transparent purple variety of quartz; used as a gemstone
-
amide
any organic compound containing the group -CONH2
-
ammonium
the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
-
amorphous
having no definite form or distinct shape
-
amount
how much there is or how many there are of something that you can quantify
-
amphibole
a mineral or mineral variety belonging to the amphibole group
-
amphibole group
a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
-
amygdaloid
shaped like an almond
-
andesite
a dark grey volcanic rock
-
andradite
a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone
-
anhydrous
without water; especially without water of crystallization
-
anorthite
rare plagioclastic feldspar occurring in many igneous rocks
-
anthophyllite
a dark brown mineral of the amphibole group; magnesium iron silicate
-
antimonial
containing antimony
-
antimonial lead
a lead alloy that contains about 5% antimony
-
antimony
a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
-
apatite
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
-
Apollo
(Greek mythology) Greek god of light; god of prophecy and poetry and music and healing; son of Zeus and Leto; twin brother of Artemis
-
apple
native Eurasian tree widely cultivated in many varieties for its firm rounded edible fruits
-
approximate
not quite exact or correct
-
aragonite
a mineral form of crystalline calcium carbonate; dimorphic with calcite
-
arborescent
resembling a tree in form and branching structure
-
area
the extent of a 2-dimensional surface enclosed within a boundary
-
Argentina
a republic in southern South America; second largest country in South America
-
argentite
a valuable silver ore consisting of silver sulfide (Ag2S)
-
argyrodite
a rare steel-grey mineral consisting of silver and germanium and sulfur
-
Arizona
a state in southwestern United States; site of the Grand Canyon
-
arsenate
a salt or ester of arsenic acid
-
arsenic
a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
-
arsenic trioxide
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
-
arsenical
relating to or containing arsenic
-
arsenide
a compound of arsenic with a more positive element
-
arsenopyrite
a silver-white or grey ore of arsenic
-
artificially
not according to nature; not by natural means
-
asbestos
a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
-
augite
dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium
-
azure
of a deep somewhat purplish blue color similar to that of a clear October sky
-
azurite
blue carbonate of copper; blue malachite
-
baddeleyite
a mineral consisting of zirconium oxide
-
Baja California
a mountainous peninsula on northwest Mexico
-
barite
a white or colorless mineral (BaSO4); the main source of barium
-
barium
a soft silvery metallic element of the alkali earth group; found in barite
-
barium oxide
an oxide of barium; a whitish toxic powder
-
barium sulfate
a white insoluble radiopaque powder used as a pigment
-
basal
serving as or forming a base
-
basalt
the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene
-
basaltic
of or relating to or containing basalt
-
basic
reduced to the simplest and most significant form possible without loss of generality
-
basic iron
pig iron containing a high percentage of phosphorus; used in making steel by a process that removes the phosphorus
-
bastnaesite
a yellow-to-brown mineral that is a source of rare earth elements
-
bauxite
a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst
-
bearing
characteristic way of bearing one's body
-
bearing metal
an alloy (often of lead or tin base) used for bearings
-
belong
be owned by; be in the possession of
-
belong to
be a part or adjunct
-
belonging
happiness felt in a secure relationship
-
bentonite
an absorbent aluminum silicate clay formed from volcanic ash
-
beryl
the chief source of beryllium; colored transparent varieties are valued as gems
-
beryllium
a light strong brittle grey toxic bivalent metallic element
-
best-known
most familiar or renowned
-
beta
the 2nd letter of the Greek alphabet
-
biotite
dark brown to black mica found in igneous and metamorphic rock
-
bismuth
a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
-
bituminous
resembling or containing bitumen
-
bivalent
having a valence of two or having two valences
-
black
being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light
-
blood-red
of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
-
blue
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
-
blue green
a blue-green color or pigment
-
blue-green
of a bluish shade of green
-
bluish
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
-
bluish green
of a bluish shade of green
-
Bolivia
a landlocked republic in central South America; Simon Bolivar founded Bolivia in 1825 after winning independence from Spain
-
borate
a salt or ester of boric acid
-
borax
an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent
-
boric
of or relating to or derived from or containing boron
-
boric acid
any of various acids containing boron and oxygen
-
bornite
a mineral consisting of sulfides of copper and iron that is found in copper deposits
-
boron
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
-
borosilicate
a salt of boric and silicic acids
-
botryoid
resembling a cluster of grapes in form
-
botryoidal
resembling a cluster of grapes in form
-
bright
emitting or reflecting light readily or in large amounts
-
Brighton
a city in East Sussex in southern England that is a popular resort; site of the University of Sussex
-
brittle
having little elasticity; hence easily cracked or fractured or snapped
-
bromide
a trite or obvious remark
-
brown
of a color similar to that of wood or earth
-
brownish
of a color similar to that of wood or earth
-
brownish yellow
a yellow color of low lightness with a brownish tinge
-
by-product
a secondary and sometimes unexpected consequence
-
cadmium
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
-
calcic
derived from or containing calcium or lime
-
calcite
a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone
-
calcium
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
-
calcium carbonate
a salt found in nature as chalk or calcite or aragonite or limestone
-
calcium phosphate
a phosphate of calcium; a main constituent of animal bones
-
calcium sulfate
a white salt (CaSO4)
-
California
a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes
-
call
utter a sudden loud cry
-
calomel
a tasteless colorless powder used medicinally as a cathartic
-
canary
any of several small Old World finches
-
canary-yellow
having the color of a canary; of a light to moderate yellow
-
capillary
any of the minute blood vessels connecting arterioles with venules
-
carbon
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
-
carbonate
treat with carbon dioxide
-
carnallite
a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
-
carnotite
a yellow radioactive mineral; an ore of uranium and radium and vanadium
-
cassiterite
a hard heavy dark mineral that is the chief source of tin
-
cation
a positively charged ion
-
cavity
space that is surrounded by something
-
cementitious
like or relevant to or having the properties of cement
-
ceramic
an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures
-
ceramics
the art of making and decorating pottery
-
cerium
a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
-
cerussite
a mineral consisting of lead carbonate that is an important source of lead
-
cesium
a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
-
chabazite
a group of minerals of the zeolite family consisting of a hydrous silicate of calcium and aluminum
-
chalcanthite
hydrated blue crystalline form of copper sulfate
-
chalcedony
a milky or greyish translucent to transparent quartz
-
chalcocite
a heavy grey mineral that is an ore of copper
-
chalcopyrite
a yellow copper ore (CuFeS2) made up of copper and iron sulfide
-
chalky
composed of or containing or resembling calcium carbonate or calcite or chalk
-
chamosite
a greenish grey or black silicate of iron and aluminum
-
characteristically
in characteristic manner
-
chemical
of or made from or using substances produced by or used in reactions involving atomic or molecular changes
-
chemical formula
a representation of a substance using symbols for its constituent elements
-
chemically
with respect to chemistry
-
chemistry
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
-
chiefly
for the most part
-
Chile
a republic in southern South America on the western slopes of the Andes on the south Pacific coast
-
chloride
any compound containing a chlorine atom
-
chlorine
a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
-
chlorite
a generally green or black mineral; it occurs as a constituent of many rocks typically in the form of a flat crystal
-
chromate
any salt or ester of chromic acid
-
chromite
a brownish-black mineral; the major source of chromium
-
chromium
a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
-
chrysoberyl
a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone
-
cinnabar
a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
-
clay
water soaked soil; soft wet earth
-
clayey
resembling or containing clay
-
cleansing
the act of making something clean
-
cleansing agent
a preparation used in cleaning something
-
cleavable
capable of being cleaved
-
cleavage
the act of cleaving or splitting
-
cleave
separate or cut with a tool, such as a sharp instrument
-
clove
moderate sized very symmetrical red-flowered evergreen widely cultivated in the tropics for its flower buds which are source of cloves
-
coating
a thin layer covering something
-
cobalt
a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
-
cobaltite
a rare silvery-white mineral; important ore of cobalt
-
color
a visual attribute of things that results from the light they emit or transmit or reflect
-
colored
having color or a certain color; sometimes used in combination
-
colorless
weak in color; not colorful
-
colourless
weak in color; not colorful
-
columbium
a former name for niobium
-
columnar
having the form of a column
-
combination
the act of combining things to form a new whole
-
combined
made or joined or united into one
-
commissariat
a stock or supply of foods
-
commonly
under normal conditions
-
compact
closely and firmly united or packed together
-
compare
examine and note the similarities or differences of
-
complex
complicated in structure; consisting of interconnected parts
-
composed
serenely self-possessed and free from agitation especially in times of stress
-
composition
the way in which someone or something is composed
-
compound
a whole formed by a union of two or more elements or parts
-
comprise
be composed of
-
concretion
the union of diverse things into one body or form or group; the growing together of parts
-
conductivity
the transmission of heat or electricity or sound
-
Congo
a major African river (one of the world's longest); flows through Congo into the South Atlantic
-
consist
have its essential character; be comprised or contained in; be embodied in
-
constituent
an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
-
contain
contain or hold; have within
-
copper
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
-
copper sulfate
a copper salt made by the action of sulfuric acid on copper oxide
-
cordierite
a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
-
corundum
very hard mineral used as an abrasive
-
county
(United States) the largest administrative district within a state
-
cove
a small inlet
-
crackling
the sharp sound of snapping noises
-
cristobalite
a white mineral consisting of silica; found in volcanic rocks
-
crust
a hard outer layer that covers something
-
cryolite
a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
-
crystal
a solid formed by the solidification of a chemical and having a highly regular atomic structure
-
crystalline
consisting of or containing or of the nature of crystals
-
crystallization
the formation of crystals
-
crystallize
cause to form crystals or assume crystalline form
-
crystallized
having both internal structure and external form of a crystal
-
crystallizing
the formation of crystals
-
cubic
having three dimensions
-
Cumberland
English general; son of George II; fought unsuccessfully in the battle of Fontenoy (1721-1765)
-
cuprite
a mineral consisting of cuprous oxide that is a source of copper
-
dark
devoid of or deficient in light or brightness; shadowed or black
-
dark red
a red color that reflects little light
-
Dawson
a town in northwestern Canada in the Yukon on the Yukon River; a boom town around 1900 when gold was discovered in the Klondike
-
deep
having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination
-
deep red
a deep and vivid red color
-
density
the amount per unit size
-
deposit
the act of putting something somewhere
-
derived
formed or developed from something else; not original
-
diamagnetic
relating to or exhibiting diamagnetism; slightly repelled by a magnet
-
differ
be different
-
differently
in another and different manner
-
diorite
a granular crystalline intrusive rock
-
dioxide
an oxide containing two atoms of oxygen in the molecule
-
discovered
discovered or determined by scientific observation
-
dispersed
distributed or spread over a considerable extent
-
district
a region marked off for administrative or other purposes
-
dolomite
a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
-
doubly
to double the degree
-
drilling
the act of drilling
-
drilling mud
a mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole
-
ductile
capable of being shaped or bent or drawn out
-
dull
so lacking in interest as to cause mental weariness
-
earth
the 3rd planet from the sun; the planet we live on
-
earthy
of or consisting of or resembling earth
-
edged
having a specified kind of border or edge
-
eject
put out or expel from a place
-
electrolysis
(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions
-
electron
an elementary particle with negative charge
-
electron tube
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
-
element
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
-
elements
violent or severe weather (viewed as caused by the action of the four elements)
-
emerald
a green transparent form of beryl; highly valued as a gemstone
-
emit
give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
-
erbium
a trivalent metallic element of the rare earth group; occurs with yttrium
-
erythrite
a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass; usually found in veins bearing cobalt and arsenic
-
especially
to a distinctly greater extent or degree than is common
-
essential
basic and fundamental
-
essentially
in essence; at bottom or by one's (or its) very nature
-
eutectic
a mixture of substances having a minimum melting point
-
exchangeable
suitable to be exchanged
-
exhibit
to show, make visible or apparent
-
expansion
the act of increasing (something) in size or volume or quantity or scope
-
explosive
a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
-
feldspar
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
-
fergusonite
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
-
ferric
of or relating to or containing iron
-
ferrous
of or relating to or containing iron
-
fiber
a slender and greatly elongated substance capable of being spun into yarn
-
fibrous
having or resembling fibers especially fibers used in making cordage such as those of jute
-
filler
anything added to fill out a whole
-
find
discover or determine the existence, presence, or fact of
-
fine-grained
consisting of fine particles
-
fluorapatite
a form of apatite in which fluorine predominates over chlorine
-
fluoresce
exhibit or undergo fluorescence
-
fluoride
a salt of hydrofluoric acid
-
fluorine
a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
-
fluorite
a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
-
fluosilicate
salt of fluosilicic acid
-
flux
a flow or discharge
-
foliated
ornamented with foliage or foils
-
folium
a thin layer or stratum of (especially metamorphic) rock
-
form
a perceptual structure
-
formerly
at a previous time
-
formula
a group of symbols that make a mathematical statement
-
fossil
the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
-
found
food and lodging provided in addition to money
-
fracture
breaking of hard tissue such as bone
-
free state
any state prohibiting slavery prior to the American Civil War
-
freshly
very recently
-
Fresno
a city in south central California in the San Joaquin Valley; center of an important agricultural area and gateway to the Sierra Nevada Mountains
-
fuse
any igniter that is used to initiate the burning of a propellant
-
fused
joined together into a whole
-
fusible
capable of being melted and fused
-
gadolinite
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
-
galena
soft blue-grey mineral; lead sulfide; a major source of lead
-
garnet
any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive
-
gem
a crystalline rock that can be cut and polished for jewelry
-
geological
of or relating to or based on geology
-
geologist
a specialist in geology
-
geology
a science that deals with the history of the earth as recorded in rocks
-
germanite
a rare reddish-grey mineral consisting of a copper iron germanium sulfide
-
germanium
a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
-
gibbsite
white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina
-
glassy
(used of eyes) lacking liveliness
-
glauconite
a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand
-
globule
a small globe or ball
-
goethite
a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust
-
goldfield
a district where gold is mined
-
grain
a cereal grass
-
granite
plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
-
granular
composed of or covered with particles resembling meal in texture or consistency
-
graphite
used as a lubricant and as a moderator in nuclear reactors
-
gravity
(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
-
gray
of an achromatic color of any lightness intermediate between the extremes of white and black
-
gray-white
of white tinged with grey
-
grayish
of an achromatic color of any lightness intermediate between the extremes of white and black
-
green
of the color between blue and yellow in the color spectrum; similar to the color of fresh grass
-
greenish
of the color between blue and yellow in the color spectrum; similar to the color of fresh grass
-
greenockite
ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form
-
group
any number of entities (members) considered as a unit
-
guanine
a purine base found in DNA and RNA; pairs with cytosine
-
guano
the excrement of sea birds; used as fertilizer
-
gypsum
a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
-
H2O
binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
-
halite
naturally occurring crystalline sodium chloride
-
Halle
a city in the Saxony region of Germany on the Saale River; a member of the Hanseatic League during the 13th and 14th centuries
-
hardness
the quality of being difficult to do
-
hausmannite
a mineral consisting of manganese tetroxide; a source of manganese
-
heavy spar
a white or colorless mineral (BaSO4); the main source of barium
-
hematite
the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
-
hemimorphite
a white mineral; a common ore of zinc
-
heulandite
a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calcium
-
hexagonal
having six sides or divided into hexagons
-
high temperature
the presence of heat
-
homogeneous
all of the same or similar kind or nature
-
horizontally
in a horizontal direction
-
hornblende
a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
-
hydrate
any compound that contains water of crystallization
-
hydrated
containing combined water (especially water of crystallization as in a hydrate)
-
hydrocarbon
an organic compound containing only carbon and hydrogen
-
hydrogen
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
-
hydrous
containing combined water (especially water of crystallization as in a hydrate)
-
hydroxide
a compound of an oxide with water
-
hydroxyl
the monovalent group -OH in such compounds as bases and some acids and alcohols
-
ideally
in an ideal manner
-
identical
being the exact same one; not any other:
-
igneous
produced by the action of fire or intense heat
-
igneous rock
rock formed by the solidification of molten magma
-
ilmenite
a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium
-
impure
combined with extraneous elements
-
incrustation
the formation of a crust
-
indistinct
not clearly defined or easy to perceive or understand
-
indite
produce a literary work
-
indium
a rare soft silvery metallic element; occurs in small quantities in sphalerite
-
insecticide
a chemical used to kill insects
-
interaction
a mutual or reciprocal action; interacting
-
interlaced
having a pattern of fretwork or latticework
-
intermediate
lying between two extremes in time or space or state
-
interstratify
arrange rocks in alternating strata
-
ion
a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
-
iridium
a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
-
iron
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
-
iron ore
an ore from which iron can be extracted
-
isometric
related by an isometry
-
isomorphous
having similar appearance but genetically different
-
jadeite
a hard green mineral consisting of sodium aluminum silicate in monoclinic crystalline form; a source of jade; found principally in Burma
-
jet black
a very dark black
-
kaolin
a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
-
kaolinite
a mineral consisting of aluminum silicate; main source of kaolin
-
Kazakhstan
a landlocked republic to the south of Russia and to the northeast of the Caspian Sea; the original Turkic-speaking inhabitants were overrun by Mongols in the 13th century; an Asian soviet from 1936 to 1991
-
kernite
a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron
-
kidney
either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
-
kidney-shaped
(of a leaf or bean shape) resembling the shape of kidney
-
kieserite
a white mineral consisting of hydrous magnesium sulfate often found in salt mines
-
known
apprehended with certainty
-
kyanite
a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
-
langbeinite
a mineral consisting of potassium magnesium double sulphate; used as a fertilizer
-
lanthanum
a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
-
lead
take somebody somewhere
-
lead arsenate
a poisonous white solid (Pb3[AsO4]2) used as an insecticide
-
lead chromate
a poisonous chromate of lead used as a pigment in paint
-
lemon
a small evergreen tree that originated in Asia but is widely cultivated for its fruit
-
lepidocrocite
a red to reddish brown mineral consisting of iron oxide hydroxide; often found in iron ores together with goethite
-
lepidolite
a mineral of the mica group; an important source of lithium
-
light
(physics) electromagnetic radiation that can produce a visual sensation
-
light brown
a brown that is light but unsaturated
-
light-blue
of a light shade of blue
-
light-colored
(used of color) having a relatively small amount of coloring agent
-
light-green
of the color between blue and yellow in the color spectrum; similar to the color of fresh grass
-
lignite
intermediate between peat and bituminous coal
-
lime
the green acidic fruit of any of various lime trees
-
lithium
a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
-
locality
a surrounding or nearby region
-
location
the act of putting something in a certain place
-
lunar
of or relating to or associated with the moon
-
luster
the visual property of something that shines with reflected light
-
lustre
the visual property of something that shines with reflected light
-
Madagascar
a republic on the island of Madagascar; achieved independence from France in 1960
-
magnesite
a white mineral consisting of magnesium carbonate; a source of magnesium
-
magnesium
a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
-
magnesium hydroxide
a white crystalline powder used chiefly in medicines
-
magnesium sulfate
a salt of magnesium
-
magnetite
an oxide of iron that is strongly attracted by magnets
-
malachite
a green or blue mineral used as an ore of copper and for making ornamental objects
-
malleable
capable of being shaped or bent or drawn out
-
manganese
a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
-
manganite
a black mineral consisting of basic manganese oxide; a source of manganese
-
marble
a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material
-
Maricopa
a member of a North American Indian people of the Gila river valley in Arizona
-
mariposa
any of several plants of the genus Calochortus having tulip-shaped flowers with 3 sepals and 3 petals; southwestern United States and Mexico
-
masonry
the craft of a mason
-
mass
the property of a body that causes it to have weight in a gravitational field
-
masse
a shot in billiards made by hitting the cue ball with the cue held nearly vertically; the cue ball spins around another ball before hitting the object ball
-
masses
the common people generally
-
massicot
the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment
-
massive
consisting of great mass; containing a great quantity of matter
-
matte
not reflecting light; not glossy
-
melting
the process whereby heat changes something from a solid to a liquid
-
melting point
the temperature below which a liquid turns into a solid
-
mercury
a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
-
Messina
a port city in northeastern Sicily on the Strait of Messina
-
metal
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
-
metallic
containing or made of or resembling or characteristic of a metal
-
metallic element
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
-
metallic-looking
resembling metal
-
metalloid
of or being a nonmetallic element that has some of the properties of metal
-
metastable
(of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium
-
meteorite
stony or metallic object that is the remains of a meteoroid that has reached the earth's surface
-
meteoritic
of or relating to or caused by meteorites
-
Mexico
a republic in southern North America; became independent from Spain in 1810
-
mica
any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
-
microscopic
so small as to be invisible without a microscope
-
midway
at half the distance; at the middle
-
millerite
a yellow mineral consisting of nickel sulfide; a minor source of nickel
-
mine
excavation in the earth from which ores and minerals are extracted
-
mineral
solid homogeneous inorganic substances occurring in nature having a definite chemical composition
-
mineral wax
a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles
-
mineralogist
a scientist trained in mineralogy
-
mineralogy
the branch of geology that studies minerals: their structure and properties and the ways of distinguishing them
-
minium
a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics
-
minor
inferior in number or size or amount
-
mispickel
a silver-white or grey ore of arsenic
-
mixture
a collection containing a variety of sorts of things
-
Mohs scale
a scale of hardness of solids; talc is 0 and diamond is 10; ordering is determined by which substance can scratch another substance
-
moisture
wetness caused by water
-
molybdenite
a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds
-
monazite
a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
-
monoclinic
having three unequal crystal axes with one oblique intersection
-
monoxide
an oxide containing just one atom of oxygen in the molecule
-
Moon
the natural satellite of the Earth
-
mortar
a bowl-shaped vessel in which substances can be ground and mixed with a pestle
-
mossy
overgrown with moss
-
muscovite
a colorless or pale brown mica with potassium
-
name
a language unit by which a person or thing is known
-
native
belonging to one by birth
-
natrolite
a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
-
needle
a sharp pointed implement (usually steel)
-
needle-shaped
narrow and long and pointed; as pine leaves
-
needlelike
ending in a sharp point
-
neodymium
a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
-
nepheline
a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels
-
nephrite
an amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form; a source of jade that is less valuable than from jadeite; once believed to cure kidney disorders
-
New Zealand
an independent country within the British Commonwealth; achieved independence from the United Kingdom in 1907; known for sheep and spectacular scenery
-
nickel
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
-
niobium
a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
-
nitrate
any compound containing the nitrate group (such as a salt or ester of nitric acid)
-
nitre
(KNO3) used especially as a fertilizer and explosive
-
nitrocalcite
the mineral form of calcium nitrate
-
nitrogen
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
-
Northumberland
the northernmost county of England; has many Roman remains (including Hadrian's Wall)
-
nova
a star that ejects some of its material in the form of a cloud and become more luminous in the process
-
Nova Scotia
the Canadian province in the Maritimes consisting of the Nova Scotia peninsula and Cape Breton Island; French settlers who called the area Acadia were exiled to Louisiana by the British in the 1750s and their descendants are know as Cajuns
-
oblique
slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
-
obsolete
no longer in use
-
occur
come to pass
-
octahedron
any polyhedron having eight plane faces
-
often
many times at short intervals
-
olive-green
a color that is lighter and greener than olive
-
olivenite
rare green to black mineral consisting of hydrated copper arsenate that is found in copper deposits
-
olivine
a mineral consisting of magnesium iron silicate; a source of magnesium
-
opal
a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
-
opaque
not transmitting or reflecting light or radiant energy; impenetrable to sight
-
ore
a mineral that contains metal that is valuable enough to be mined
-
organic
being or relating to or derived from or having properties characteristic of living organisms
-
organic compound
any compound of carbon and another element or a radical
-
orient
the hemisphere that includes Eurasia and Africa and Australia
-
orientated
adjusted or located in relation to surroundings or circumstances; sometimes used in combination
-
oriented
adjusted or located in relation to surroundings or circumstances; sometimes used in combination
-
orpiment
a yellow mineral occurring in conjunction with realgar; an ore of arsenic
-
orthoclase
a white or colored monoclinic feldspar
-
osmium
a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
-
other
not the same one or ones already mentioned or implied
-
oxidation
the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
-
oxide
any compound of oxygen with another element or a radical
-
oxygen
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
-
ozokerite
a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles
-
pale
a wooden strip forming part of a fence
-
pale blue
of a light shade of blue
-
palladium
a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
-
paragonite
a colorless or pale brown mica with sodium
-
pearly
of a white the color of pearls
-
pegmatite
a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
-
pentavalent
having a valence of five
-
pentlandite
a mineral (iron and nickel sulphide) that is the chief ore of nickel
-
pentoxide
an oxide containing five atoms of oxygen in the molecule
-
perfect
being complete of its kind and without defect or blemish
-
periclase
a white solid mineral that occurs naturally as periclase; a source of magnesium
-
pharmaceutical
of or relating to pharmacy or pharmacists
-
phillipsite
a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum
-
phlogopite
a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
-
phosphate
a salt of phosphoric acid
-
phosphorus
a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
-
pigment
dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
-
Pima
a member of the North American Indian people living in southern Arizona and northern Mexico
-
pink
of a light shade of red
-
pinkish
of a light shade of red
-
pitchblende
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
-
plagioclase
any of a series of triclinic feldspars that form rocks
-
plaster
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
-
plaster of Paris
any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
-
plasticizer
a substance added to plastics or other materials to make them more pliable
-
plate
dish on which food is served or from which food is eaten
-
platinum
a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
-
plumose
having an ornamental plume or feathery tuft
-
plutonic
of igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro
-
plutonic rock
large mass of intrusive igneous rock believed to have solidified deep within the earth
-
pollucite
a rare mineral that is an important source of cesium
-
polymorph
an organism that can assume more than one adult form as in the castes of ants or termites
-
porous
full of pores or vessels or holes
-
porphyrin
any of various pigments distributed widely in living tissues
-
potassium
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
-
praseodymium
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
-
predominant
having superior power and influence
-
preparation
the activity of putting or setting in order in advance of some act or purpose
-
preservative
tending or having the power to preserve
-
primarily
for the most part
-
principally
for the most part
-
printing ink
a semisolid quick drying ink made especially for use in printing
-
prism
a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
-
prismatic
of or relating to or resembling or constituting a prism
-
product
an artifact that has been created by someone or some process
-
prof
someone who is a member of the faculty at a college or university
-
proportion
the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
-
protective
intended or adapted to afford protection of some kind
-
pseudo
(often used in combination) not genuine but having the appearance of
-
purple
a purple color or pigment
-
pyramid
a polyhedron having a polygonal base and triangular sides with a common vertex
-
pyrite
a common mineral (iron disulfide) that has a pale yellow color
-
pyrites
any of various metallic-looking sulfides (of which pyrite is the commonest)
-
pyroelectric
relating to or exhibiting pyroelectricity
-
pyrolusite
a mineral consisting of manganese dioxide; an important source of manganese
-
pyromorphite
a mineral consisting of lead chloride and phosphate; a minor source of lead
-
pyrope
a deep red garnet used as a gemstone
-
pyrophyllite
a white or greenish aluminum silicate mineral (resembles talc)
-
pyroxene
any of a group of crystalline silicate mineral common in igneous and metamorphic rocks
-
pyrrhotite
a brownish iron sulfide mineral (FeS) having weak magnetic properties
-
quarry
animal hunted or caught for food
-
quartz
a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
-
Quebec
the largest province of Canada; a French colony from 1663 to 1759 when it was lost to the British
-
radiating
diverging from a common point
-
radioactive
exhibiting or caused by radioactivity
-
rare
marked by an uncommon quality; especially superlative or extreme of its kind
-
rare earth
any element of the lanthanide series (atomic numbers 57 through 71)
-
rarely
not often
-
rate
a quantity or amount or measure considered as a proportion of another quantity or amount or measure
-
rating
standing or position on a scale
-
realgar
a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic
-
rectangular
having four right angles
-
red
red color or pigment; the chromatic color resembling the hue of blood
-
red lead
a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics
-
Red Sea
a long arm of the Indian Ocean between northeast Africa and Arabia; linked to the Mediterranean at the north end by the Suez Canal
-
reddish
of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
-
reddish brown
a shade of brown with a tinge of red
-
refractive
of or relating to or capable of refraction
-
refractive index
the ratio of the velocity of light in a vacuum to that in a medium
-
related
being connected either logically or causally or by shared characteristics
-
related to
being connected either logically or causally or by shared characteristics
-
reniform
(of a leaf or bean shape) resembling the shape of kidney
-
replacing
the act of furnishing an equivalent person or thing in the place of another
-
resinous
having the characteristics of pitch or tar
-
retardant
any agent that retards or delays or hinders
-
rhodium
a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
-
rhodochrosite
a mineral consisting of manganese carbonate; a source of manganese
-
rhodonite
a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone
-
rhombohedral
having threefold symmetry
-
rhombohedron
a parallelepiped bounded by six similar faces (either rhombuses or parallelograms)
-
roasting
cooking (meat) by dry heat in an oven (usually with fat added)
-
rock
material consisting of the aggregate of minerals like those making up the Earth's crust
-
Romania
a republic in southeastern Europe with a short coastline on the Black Sea
-
rose-red
of a deep slightly bluish red color
-
ruby
a transparent piece of ruby that has been cut and polished and is valued as a precious gem
-
ruby spinel
a spinel used as a gemstone (usually dark red)
-
ruthenium
a rare polyvalent metallic element of the platinum group; it is found associated with platinum
-
rutile
a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium
-
samarium
a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
-
samarskite
a complex black mineral occurring in pegmatites
-
sapphire
a precious transparent stone of rich blue corundum valued as a gemstone
-
sapphirine
made of or resembling sapphire
-
Saxony
an area in Germany around the upper Elbe river; the original home of the Saxons
-
scale
an ordered reference standard
-
scandium
a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
-
scheelite
a mineral used as an ore of tungsten
-
schorl
black tourmaline
-
secondary
being of second rank or importance or value; not direct or immediate
-
segment
one of several parts or pieces that fit with others to constitute a whole object
-
selenium
a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
-
semiprecious
used of gemstones having less commercial value than precious stones
-
separated
being or feeling set or kept apart from others
-
sepiolite
a white clayey mineral
-
series
similar things placed in order or happening one after another
-
serpentine
resembling a serpent in form
-
shades of
something that reminds you of someone or something
-
shape
a perceptual structure
-
shaped
having the shape of
-
siderite
iron ore in the form of ferrous carbonate
-
silica
a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
-
silicate
a salt or ester derived from silicic acid
-
silicon
a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
-
silver
a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography
-
silver bromide
a bromide that darkens when exposed to light; used in making photographic emulsions
-
silver chloride
a chloride used chiefly in the manufacture of photographic emulsions
-
silver-white
of a white that resembles silver
-
silvery
of lustrous grey; covered with or tinged with the color of silver
-
slake
satisfy (thirst)
-
slaked
allayed
-
slender
having little width in proportion to the length or height
-
slightly
to a small degree or extent
-
small
limited or below average in number or quantity or magnitude or extent
-
smelt
extract (metals) by heating
-
soda
a sweet drink containing carbonated water and flavoring
-
sodalite
a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form; occurs in igneous rocks
-
sodium
a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
-
sodium sulfate
a solid white bitter salt used in manufacturing glass and paper and dyes and pharmaceuticals
-
soft
yielding readily to pressure or weight
-
softener
a substance added to another to make it less hard
-
solid
not soft or yielding to pressure
-
solid solution
a homogeneous solid that can exist over a range of component chemicals; a constituent of alloys that is formed when atoms of an element are incorporated into the crystals of a metal
-
solidification
the process of becoming hard or solid by cooling or drying or crystallization
-
solution
a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution
-
spar
a stout rounded pole of wood or metal used to support rigging
-
sparingly
to a meager degree or in a meager manner
-
specie
coins collectively
-
species
(biology) taxonomic group whose members can interbreed
-
specific
stated explicitly or in detail
-
specific gravity
the density of a substance relative to the density of water
-
specifically
in distinction from others
-
sphalerite
an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form
-
spinel
a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
-
spodumene
a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium
-
stalactite
a cylinder of calcium carbonate hanging from the roof of a limestone cave
-
stannite
a dark grey mineral with a metallic luster that is a source of tin
-
star-shaped
shaped like a star
-
steel
an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
-
stibnite
a soft grey mineral; the chief ore of antimony
-
streak
a narrow marking of a different color or texture from the background
-
strontianite
a mineral consisting of strontium carbonate
-
strontium
a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
-
structurally
with respect to structure
-
structure
a thing constructed; a complex entity constructed of many parts
-
sulfate
a salt or ester of sulphuric acid
-
sulfide
a compound of sulphur and some other element that is more electropositive
-
sulfur
an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
-
survey
consider in a comprehensive way
-
suture
a seam used in surgery
-
sylvanite
a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
-
sylvite
a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
-
symbol
something visible that by association or convention represents something else that is invisible
-
synonym
two words that can be interchanged in a context are said to be synonymous relative to that context
-
synthesis
the combination of ideas into a complex whole
-
system
a group of independent but interrelated elements comprising a unified whole
-
tabular
flat; like a table in form
-
talc
a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
-
tantalite
a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
-
tantalum
a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
-
tarnish
make dirty or spotty, as by exposure to air; also used metaphorically
-
tarry
leave slowly and hesitantly
-
telluride
any binary compound of tellurium with other more electropositive elements
-
tellurium
a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
-
temperature
the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
-
terminated
having come or been brought to a conclusion
-
tetra
brightly colored tropical freshwater fishes
-
tetragonal
of or relating to or shaped like a quadrilateral
-
thermal
relating to or associated with heat
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Thomson
United States composer who collaborated with Gertrude Stein (1896-1989)
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thorite
a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
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thorium
a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
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thortveitite
a mineral consisting of scandium yttrium silicate; a source of scandium
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tile
a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces
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tin
a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
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tinge
color lightly
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titanium
a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
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titanium dioxide
a white powder used as a pigment for its high covering power and durability
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titanium oxide
a white powder used as a pigment for its high covering power and durability
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topaz
a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone
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toxic
of or relating to or caused by a toxin or poison
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translucent
allowing light to pass through diffusely
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transparent
transmitting light; able to be seen through with clarity
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transverse
extending or lying across; in a crosswise direction; at right angles to the long axis
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tremolite
a white or pale green mineral (calcium magnesium silicate) of the amphibole group used as a form of asbestos
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triclinic
having three unequal crystal axes intersecting at oblique angles
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tridymite
a mineral form of silica
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trigonal
having threefold symmetry
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trioxide
an oxide containing three atoms of oxygen in the molecule
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trivalent
having a valence of three
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tungstate
a salt of tungstic acid
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turquoise
a shade of blue tinged with green
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Tuscan
of or relating to or characteristic of Tuscany or its people
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Tuscany
a region in central Italy
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twin
either of two offspring born at the same time from the same pregnancy
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twins
(mineralogy) two interwoven crystals that are mirror images on each other
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type metal
an alloy of tin and lead and antimony used to make printing type
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typically
in a typical manner
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unnamed
being or having an unknown or unnamed source
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unstable
subject to change; variable
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untarnished
(of reputation) free from blemishes
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uraninite
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
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uranium
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
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uranyl
the bivalent radical UO2 which forms salts with acids
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urea
the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
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USA
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
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used
previously used or owned by another
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usually
under normal conditions
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vanadate
a salt or ester of vanadic acid; an anion containing pentavalent vanadium
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vanadinite
a mineral consisting of chloride and vanadate of lead; a source of vanadium
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vanadium
a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
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vanadium pentoxide
any of various oxyacids of vanadium; known mostly in the form of its salts
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variable
something that is likely to vary; something that is subject to variation
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variably
with variation; in a variable manner or to a variable degree
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variety
a category of things distinguished by some common characteristic or quality
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variously
in diverse ways
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varying
marked by diversity or difference
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vein
a blood vessel that carries blood from the capillaries toward the heart
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vermiculite
any of a group of yellow or brown hydrous silicate minerals having a micaceous structure
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vesuvianite
a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
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Vesuvius
a volcano in southwestern Italy on the Mediterranean coast; a Plinian eruption in 79 AD buried Pompeii and killed Pliny the Elder; last erupted in 1944
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violet
a variable color that lies beyond blue in the spectrum
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vitreous
relating to or resembling or derived from or containing glass
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volcanic
igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt
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volcanic rock
extrusive igneous rock solidified near or on the surface of the Earth
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vulcanite
a hard nonresilient rubber formed by vulcanizing natural rubber
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water softener
a substance (such as sodium chloride) that lessens the hardness of water by replacing calcium and magnesium ions with sodium ions and so gives the water more efficient sudsing power
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wax
any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water
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waxy
made of or covered with wax
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Webster
English playwright (1580-1625)
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weighing
careful consideration
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western
a sandwich made from a western omelet
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western United States
the region of the United States lying to the west of the Mississippi River
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white
being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light
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widely
to a great degree
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wollastonite
a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium
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wulfenite
a yellow to orange or brown mineral used as a molybdenum ore
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wurtzite
a brownish-black mineral consisting of zinc sulfide
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xenotime
a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form
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yellow
yellow color or pigment; the chromatic color resembling the hue of sunflowers or ripe lemons
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yellow green
a shade of green tinged with yellow
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yellowish
of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk
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yellowish brown
a medium to dark tan color
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yellowish green
a shade of green tinged with yellow
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yttrium
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
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Zaire
a republic in central Africa; achieved independence from Belgium in 1960
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Zealand
the largest island of Denmark and the site of Copenhagen
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zeolite
any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks
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zinc
a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
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zinkenite
a steel grey metallic mineral (a sulphide of lead and antimony)
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zinnwaldite
a mica containing iron and lithium
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zircon
a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
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zirconium
a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
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zirconium oxide
a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes