natural object

DEFINITIONS OF: natural object

1

n an object occurring naturally; not made by man

Antonyms:
artefact, artifact
a man-made object taken as a whole
Examples:
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Plymouth Rock
a boulder in Plymouth supposed to be where the Pilgrims disembarked from the Mayflower
Aldebaran
the brightest star in Taurus
Algol
the second brightest star in Perseus; the first known eclipsing binary
Alpha Centauri
brightest star in Centaurus; second nearest star to the sun
Alpha Crucis
the brightest star in the Southern Cross
Altair
double star 15.7 light years from Earth; the brightest star in the Aquila constellation
Andromeda
a constellation in the northern hemisphere between Cassiopeia and Pegasus; contains the Andromeda galaxy
Antares
the brightest star in Scorpius
Antlia
a faint constellation in the southern hemisphere near Hydra and Vela
Apollo asteroid
an asteroid whose orbit crosses the Earth's orbit
Apus
a constellation in the polar region of the southern hemisphere near Octans
Aquarius
a zodiacal constellation in the southern hemisphere; between Capricornus and Pisces
Aquila
a constellation in the Milky Way near Cygnus; contains the star Altair
Ara
a constellation in the southern hemisphere near Telescopium and Norma
Arcturus
the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth
Argo
formerly a large constellation in the southern hemisphere between Canis Major and the Southern Cross; now divided into Carina and Pyxis and Puppis and Vela
Aries
a small zodiacal constellation in the northern hemisphere; between Pisces and Taurus
Charioteer
a conspicuous constellation in the northern hemisphere; between Great Bear and Orion at edge of Milky Way
Beta Centauri
the second brightest star in Centaurus
Beta Crucis
the second brightest star in the Southern Cross
Alpha Orionis
the second brightest star in Orion
Charles's Wain
a group of seven bright stars in the constellation Ursa Major
Bootes
a constellation in the northern hemisphere near Ursa Major
Caelum
a constellation in the southern hemisphere near Columba and Eridanus
Callisto
the second largest of Jupiter's satellites
Cancer
a small zodiacal constellation in the northern hemisphere; between Leo and Gemini
Canis Major
a constellation to the southeast of Orion; contains Sirius
Canis Minor
a constellation to the east of Orion; contains Procyon
Canopus
supergiant star 650 light years from Earth; second brightest star in the sky
Capella
the brightest star in Auriga
Capricornus
a faint zodiacal constellation in the southern hemisphere; between Sagittarius and Aquarius
Carina
a keel-shaped constellation in the southern hemisphere; contains the start Canopus
Cassiopeia
a W-shaped constellation in the northern hemisphere near Polaris
Alpha Geminorum
a multiple star with 6 components; second brightest in Gemini; close to Pollux
Centaurus
a conspicuous constellation in the southern hemisphere near the Southern Cross
Cepheus
a faint constellation in the northern hemisphere near Cassiopeia and the pole star
Ceres
the largest asteroid and the first discovered
Cetus
a large constellation on the equator near Pisces and Aquarius
Chamaeleon
a faint constellation in the polar region of the southern hemisphere near Apus and Mensa
Circinus
a small faint constellation in the southern hemisphere near Musca and Triangulum Australe
Columba
a constellation in the southern hemisphere near Puppis and Caelum
Coma Berenices
a constellation in the northern hemisphere between Ursa Major and Bootes; contains a cluster of some 10,000 galaxies
Corona Borealis
a small constellation in the northern hemisphere between Bootes and Hercules
Corvus
a small quadrilateral constellation in the southern hemisphere near Virgo
Crab Nebula
a remnant of a supernova detected first in 1054 AD
Crater
a faint constellation in the southern hemisphere near Hydra and Corvus
Cygnus
a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole
Deimos
the outer of two small satellites of Mars
Delphinus
a constellation in the northern hemisphere near Pegasus and Aquila
Deneb
the brightest star in Cygnus
Denebola
a star in Leo approximately 43 light years from Earth
Dorado
a constellation in the southern hemisphere near Reticulum and Pictor; contains most of the Large Magellanic Cloud
Dragon
a faint constellation twisting around the north celestial pole and lying between Ursa Major and Cepheus
Earth
the 3rd planet from the sun; the planet we live on
Epsilon Aurigae
the largest known star
Eridanus
a constellation in the southern hemisphere near Fornax and Cetus
Europa
the 4th largest of Jupiter's satellites; covered with a smooth shell of frozen water
evening star
a planet (usually Venus) seen at sunset in the western sky
Fornax
a faint constellation in the southern hemisphere near Cetus and Phoenix
Ganymede
the largest of Jupiter's satellites
Gemini
a zodiacal constellation in the northern hemisphere between Taurus and Cancer on the ecliptic
Great Bear
a constellation outside the zodiac that rotates around the North Star
Crane
a small constellation in the southern hemisphere near Phoenix
Hercules
a large constellation in the northern hemisphere between Lyra and Corona Borealis
Hydra
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
Hydrus
a constellation in the southern hemisphere near the south celestial pole
Indus
a faint constellation in the southern hemisphere near Telescopium and Tucana
Io
the closest of Jupiter's moons; has active volcanoes
Jupiter
the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky
Leo
a zodiacal constellation in northern hemisphere between Cancer and Virgo
Lepus
a constellation in the southern hemisphere near Orion and Columba
Libra
a small faint zodiacal constellation in the southern hemisphere; between Virgo and Scorpius
Little Bear
a constellation outside the zodiac that rotates around the North Star
Little Dipper
a cluster of seven stars in Ursa Minor; at the end of the dipper's handle is Polaris
Lupus
a constellation in the southern hemisphere near Centaurus
Lyra
a small constellation in the northern hemisphere near Cygnus and Draco; contains the star Vega
Red Planet
a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color
Mensa
a faint constellation in the polar region of the southern hemisphere and containing part of the Large Magellanic Cloud
Mercury
the smallest planet and the nearest to the sun
Microscopium
a faint constellation in the southern hemisphere near Sagittarius and Capricornus
Moon
the natural satellite of the Earth
Musca
a small constellation in the polar region of the southern hemisphere near the Southern Cross and Chamaeleon
Neptune
a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants
Norma
a small constellation in the southern hemisphere near Lupus and Ara in the Milky Way
Octans
the constellation that includes the southern celestial pole
Ophiuchus
a large constellation in the equatorial region between Hercules and Scorpius
Hunter
a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel
Pallas
a large asteroid; the second asteroid to be discovered
Pavo
a small constellation near the South Pole between Tucana and Ara
Pegasus
a constellation in the northern hemisphere near Andromeda and Pisces
Perseus
a conspicuous constellation in the northern hemisphere; between Auriga and Cassiopeia and crossed by the Milky Way
Phobos
the larger of the two satellites of Mars
Phoenix
a constellation in the southern hemisphere near Tucana and Sculptor
Pictor
a constellation in the southern hemisphere near Dorado and Columba
Pisces
a large faint zodiacal constellation; between Aquarius and Aries
Pluto
a small planet and the farthest known planet from the sun; it has the most elliptical orbit of all the planets
North Star
the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it
Pollux
the brightest star in Gemini; close to Castor
Procyon
the brightest star in Canis Minor
Puppis
a constellation in the southern hemisphere between Vela and Canis Major that shaped like the stern of a boat
Pyxis
a constellation in the southern hemisphere near Puppis and Antlia
Quaoar
a planetoid discovered in 2002
Regulus
the brightest star in Leo
Reticulum
a small constellation in the southern hemisphere near Dorado and Hydrus
Beta Orionis
the brightest star in Orion
Sagitta
a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way
Sagittarius
a large zodiacal constellation in the southern hemisphere; between Scorpius and Capricornus
Saturn
a giant planet that is surrounded by three planar concentric rings of ice particles; the 6th planet from the sun
Scorpius
a large zodiacal constellation between Libra and Sagittarius
Sculptor
a faint constellation in the southern hemisphere near Phoenix and Cetus
Sedna
a planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun
Serpens
a constellation in the equatorial region of the northern hemisphere near Ophiuchus and Corona Borealis
Canicula
the brightest star in the sky; in Canis Major
Crux Australis
a small conspicuous constellation in the southern hemisphere in the Milky Way near Centaurus
Spica
the brightest star in Virgo
Asterope
one of the stars in the star cluster Pleiades
Sun
the star that is the source of light and heat for the planets in the solar system
Taurus
a zodiacal constellation in the northern hemisphere near Orion; between Aries and Gemini
Telescopium
a small constellation in the southern hemisphere near Ara
Titan
the largest of the satellites of Saturn; has a hazy nitrogen atmosphere
Triangulum
a small northern constellation near Perseus between Andromeda and Aries
Triangulum Australe
a small bright constellation in the polar region of the southern hemisphere near Circinus and Apus
Triton
the largest moon of Neptune
Tucana
a large faint constellation in the southern hemisphere containing most of the Small Magellanic Cloud
Uranus
a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites
Vega
the brightest star in the constellation Lyra
Vela
a constellation in the southern hemisphere between Carina and Pyxis
Venus
the second nearest planet to the sun; it is peculiar in that its rotation is slow and retrograde (in the opposite sense of the Earth and all other planets except Uranus); it is visible from Earth as an early `morning star' or an `evening star'
Vesta
the brightest asteroid but the fourth to be discovered
Virgo
a large zodiacal constellation on the equator; between Leo and Libra
Volans
a small constellation in the polar region of the southern hemisphere near Dorado and Carina
Vulpecula
a constellation in the northern hemisphere near Cygnus and Sagitta
Proxima Centauri
the nearest star to the sun; distance: 4.3 light years
Types:
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cocoon
silky envelope spun by the larvae of many insects to protect pupas and by spiders to protect eggs
body, organic structure, physical structure
the entire structure of an organism (an animal, plant, or human being)
body, dead body
a natural object consisting of a dead animal or person
asterism
(astronomy) a cluster of stars (or a small constellation)
black body, blackbody, full radiator
a hypothetical object capable of absorbing all the electromagnetic radiation falling on it
body
an individual 3-dimensional object that has mass and that is distinguishable from other objects
carpet
a natural object that resembles or suggests a carpet
celestial body, heavenly body
natural objects visible in the sky
consolidation
something that has consolidated into a compact mass
constellation
a configuration of stars as seen from the earth
cover, covering, natural covering
a natural object that covers or envelops
estraterrestrial body, extraterrestrial object
a natural object existing outside the earth and outside the earth's atmosphere
mechanism
a natural object resembling a machine in structure or function
nest
a structure in which animals lay eggs or give birth to their young
radiator
any object that radiates energy
rock, stone
a lump or mass of hard consolidated mineral matter
sample
all or part of a natural object that is collected and preserved as an example of its class
tangle
a twisted and tangled mass that is highly interwoven
cosmos, creation, existence, macrocosm, universe, world
everything that exists anywhere
plant part, plant structure
any part of a plant or fungus
carcase, carcass
the dead body of an animal especially one slaughtered and dressed for food
carrion
the dead and rotting body of an animal; unfit for human food
roadkill
the dead body of an animal that has been killed on a road by a vehicle
scale
a flattened rigid plate forming part of the body covering of many animals
shell
the hard largely calcareous covering of a mollusc or a brachiopod
test
a hard outer covering as of some amoebas and sea urchins
life form
the characteristic bodily form of a mature organism
anatomy, bod, build, chassis, figure, flesh, form, frame, human body, material body, physical body, physique, shape, soma
alternative names for the body of a human being
cadaver, clay, corpse, remains, stiff
the dead body of a human being
mummy
a body embalmed and dried and wrapped for burial (as in ancient Egypt)
live body
the body of a living animal or person
body covering
any covering for the body or a body part
case, sheath
an enveloping structure or covering enclosing an animal or plant organ or part
integument
an outer protective covering such as the skin of an animal or a cuticle or seed coat or rind or shell
specimen
a bit of tissue or blood or urine that is taken for diagnostic purposes
chromosome
a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order
achondrite
a stony meteor lacking chondrules
barrier
anything serving to maintain separation by obstructing vision or access
bedrock
solid unweathered rock lying beneath surface deposits of soil
beehive, hive
a structure that provides a natural habitation for bees; as in a hollow tree
bird nest, bird's nest, birdnest
nest where birds lay their eggs and hatch their young
blanket, mantle
anything that covers
boulder, bowlder
a large smooth mass of rock detached from its place of origin
calculus, concretion
a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
chondrite
a rock of meteoric origin containing chondrules
clastic rock
(geology) a rock composed of broken pieces of older rocks
closed universe
(cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter
comet
(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
core
a cylindrical sample of soil or rock obtained with a hollow drill
crust, encrustation, incrustation
a hard outer layer that covers something
crystal, crystallization
a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
drey
the nest of a squirrel
envelope
a natural covering (as by a fluid)
hair ball, hairball, trichobezoar
a compact mass of hair that forms in the alimentary canal (especially in the stomach of animals as a result of licking fur)
cap, hood
a protective covering that is part of a plant
cellular inclusion, inclusion, inclusion body
any small intracellular body found within another (characteristic of certain diseases)
indument, indumentum
a covering of fine hairs (or sometimes scales) as on a leaf or insect
intrusion
rock produced by an intrusive process
mass
a body of matter without definite shape
meteor, meteoroid
(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
minor planet, planetoid
any of numerous small celestial bodies that move around the sun
mouse nest, mouse's nest
where mice bear and raise their young
natural order
the physical universe considered as an orderly system subject to natural (not human or supernatural) laws
nature
the natural physical world including plants and animals and landscapes etc.
nidus
a nest in which spiders or insects deposit their eggs
outcrop, outcropping, rock outcrop
the part of a rock formation that appears above the surface of the surrounding land
particle, subatomic particle
a body having finite mass and internal structure but negligible dimensions
pebble
a small smooth rounded rock
petrifaction
a rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form
major planet, planet
(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
planet
any celestial body (other than comets or satellites) that revolves around a star
planetesimal
one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
primary
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it
quasar, quasi-stellar radio source
a starlike object that may send out radio waves and other forms of energy; many have large red shifts
radio source
an object that radiates radio waves
roof
the inner top surface of a covered area or hollow space
satellite
any celestial body orbiting around a planet or star
shag
a matted tangle of hair or fiber
shell
a rigid covering that envelops an object
eggshell, shell
the exterior covering of a bird's egg
sill
(geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock
skim
a thin layer covering the surface of a liquid
slough
any outer covering that can be shed or cast off (such as the cast-off skin of a snake)
snowcap
a covering of snow (as on a mountain peak)
star
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
star
any celestial body visible (as a point of light) from the Earth at night
stepping stone
a stone in a marsh or shallow water that can be stepped on in crossing
stub
a short piece remaining on a trunk or stem where a branch is lost
tor
a prominent rock or pile of rocks on a hill
transmission mechanism
any mechanism whereby an infectious agent is spread from a reservoir to a human being
vesture
something that covers or cloaks like a garment
wall rock
a rock immediately adjacent to a vein or fault
whin, whinstone
any of various hard colored rocks (especially rocks consisting of chert or basalt)
xenolith
(geology) a piece of rock of different origin from the igneous rock in which it is embedded
button
any of various plant parts that resemble buttons
thallus
a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
cap, pileus
a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
calyptra
the hood or cap covering the calyx of certain plants: e.g., the California poppy
volva
cuplike structure around the base of the stalk of certain fungi
peridium
outer layer of the spore-bearing organ in many fungi
domatium
a part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungi
pycnidium
flask-shaped asexual structure containing conidia
stipule
a small leafy outgrowth at the base of a leaf or its stalk; usually occurring in pairs and soon shed
tepal
an undifferentiated part of a perianth that cannot be distinguished as a sepal or a petal (as in lilies and tulips)
gynostegium
the crown of the stamen in plants of the genus Asclepias
chalaza
basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
nucellus
central part of a plant ovule; contains the embryo sac
germ tube
(botany) a slender tubular outgrowth from a spore in germination
pollen tube
(botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
pericarp, seed vessel
the ripened and variously modified walls of a plant ovary
mentum
a projection like a chin formed by the sepals and base of the column in some orchids
corona
(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
lip
(botany) either of the two parts of a bilabiate corolla or calyx
chlamys, floral envelope, perianth, perigone, perigonium
collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils
mycelium
the vegetative part of a fungus consisting of a mass of branching threadlike hyphae
plant organ
a functional and structural unit of a plant or fungus
aril
fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed
duct
a continuous tube formed by a row of elongated cells lacking intervening end walls
sac, theca
a case or sheath especially a pollen sac or moss capsule
indusium
a membrane enclosing and protecting the developing spores especially that covering the sori of a fern
veil, velum
a membranous covering attached to the immature fruiting body of certain mushrooms
annulus, skirt
(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
plant tissue
the tissue of a plant
tendril
slender stem-like structure by which some twining plants attach themselves to an object for support
stump, tree stump
the base part of a tree that remains standing after the tree has been felled
prophyll
a plant structure resembling a leaf
stock
a plant or stem onto which a graft is made; especially a plant grown specifically to provide the root part of grafted plants
receptacle
enlarged tip of a stem that bears the floral parts
kernel, meat
the inner and usually edible part of a seed or grain or nut or fruit stone
lobe
(botany) a part into which a leaf is divided
ligule
(botany) any appendage to a plant that is shaped like a strap
bark
tough protective covering of the woody stems and roots of trees and other woody plants
biological clock
an innate mechanism in living organisms that controls the periodicity of many physiological functions
Type of:
unit, whole
an assemblage of parts that is regarded as a single entity
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