Definition of fluid
Nouns
a substance that is fluid at room temperature and pressure
- Types:
- show 19 types...
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coolant
a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another
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filtrate
the product of filtration; a gas or liquid that has been passed through a filter
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percolate
the product of percolation
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ichor
(Greek mythology) the rarified fluid said to flow in the veins of the Gods
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liquid
a substance that is liquid at room temperature and pressure
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beverage, drink, drinkable, potable
any liquid suitable for drinking
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water
a liquid necessary for the life of most animals and plants
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supernatant
the clear liquid that lies above a sediment or precipitate
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alcohol
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation
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ammonia, ammonia water, ammonium hydroxide
a water solution of ammonia
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antifreeze
a liquid added to the water in a cooling system to lower its freezing point
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distillate, distillation
a purified liquid produced by condensation from a vapor during distilling; the product of distilling
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pyroligneous acid, wood vinegar
a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars
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medium
a liquid with which pigment is mixed by a painter
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ink
a liquid used for printing or writing or drawing
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grume
a thick viscous liquid
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liquor
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process
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sheep dip
a liquid mixture containing pesticides in which sheep are dipped to kill parasites
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snake oil
(medicine) any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless
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substance
the real physical matter of which a person or thing consists
continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
- Types:
- show 49 types...
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gas
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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atmosphere
the envelope of gases surrounding any celestial body
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argonon, inert gas, noble gas
any of the chemically inert gaseous elements of the helium group in the periodic table
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Cl, atomic number 17, 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)
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F, atomic number 9, 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
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H, atomic number 1, 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
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N, atomic number 7, 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
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O, atomic number 8, 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
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butane
occurs in natural gas; used in the manufacture of rubber and fuels
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propane
colorless gas found in natural gas and petroleum; used as a fuel
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afterdamp
a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine
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firedamp
a mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with air
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arsine
a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare
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nitrogen dioxide
a highly poisonous brown gas (NO2)
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nitric oxide
a poisonous red-brown gas (NO)
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blow gas, blowing gas
the gas leaving a generator during a blow period
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butene, butylene
any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
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cyanogen
a colorless toxic gas with a pungent almond odor; has been used in chemical warfare
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exhaust, exhaust fumes, fumes
gases ejected from an engine as waste products
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air
a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
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compressed gas
gas at a high pressure that can be used as a propellant
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ethene, ethylene
a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
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air gas, producer gas
a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke
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formaldehyde, methanal
a colorless poisonous gas; made by the oxidation of methanol
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greenhouse emission, greenhouse gas
a gas that contributes to the greenhouse effect by absorbing infrared radiation
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bottled gas, liquefied petroleum gas
hydrocarbon gases, usually propane or butane, kept under pressure
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water gas
a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
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ideal gas, perfect gas
a hypothetical gas with molecules of negligible size that exert no intermolecular forces
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inhalant
something that is inhaled
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methane
a colorless odorless gas used as a fuel
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ozone
a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
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phosgene
a colorless poisonous gas that smells like new-mown hay; used in chemical warfare
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phosphine
a colorless gas with a strong fishy smell; used as a pesticide
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poison gas
a gas that is poisonous to breath or contact; used in chemical warfare
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propene, propylene
a flammable gas obtained by cracking petroleum; used in organic synthesis
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mephitis
a poisonous or foul smelling gas emitted from the earth
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sewer gas
foul-smelling gas that forms in sewers
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sublimate
the product of vaporization of a solid
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sulfur dioxide, sulphur dioxide
a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain
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lachrymator, lacrimator, tear gas, teargas
a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds
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liquid
fluid matter having no fixed shape but a fixed volume
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artificial blood
a liquid that can carry large amounts of oxygen and can serve as a temporary substitute for blood
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elixir
a sweet flavored liquid (usually containing a small amount of alcohol) used in compounding medicines to be taken by mouth in order to mask an unpleasant taste
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H2O, water
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
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extravasation
an extravasated liquid (blood or lymph or urine); the product of extravasation
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instillation
a liquid that is instilled drop by drop
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liquid crystal
a liquid exhibiting properties of a crystal that are not shown by ordinary liquids
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spill
liquid that is spilled
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tuberculin
a sterile liquid containing a purified protein derivative of the tuberculosis bacterium; used in the diagnosis of tuberculosis
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matter
that which has mass and occupies space
Adjectives
subject to change; variable
"a fluid situation fraught with uncertainty"
- Synonyms:
- unstable
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changeable, changeful
such that alteration is possible; having a marked tendency to change
characteristic of a fluid; capable of flowing and easily changing shape
smooth and unconstrained in movement
"the fluid motion of a cat"
in cash or easily convertible to cash
"liquid (or fluid) assets"
- Synonyms:
- liquid
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disposable
free or available for use or disposition
affording change (especially in social status)
"Britain is not a truly fluid society"
- Synonyms:
- mobile
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changeable, changeful
such that alteration is possible; having a marked tendency to change
Vocabulary Lists for fluid
- strong
- smooth
- controlled
- effortless
- sway
Robert Cormier's "The Chocolate War" »(510 words)
Vocabulary study list for Robert Cormier's "The...
- accessory
- acne
- admiration
- admission
- adulation

