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gas
[gas]
noun
plural
gases, gassesPhysics.a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid.
any such fluid or mixture of fluids.
any such fluid used as an anesthetic, as nitrous oxide.
Did the dentist give you gas for your extraction?
any such combustible fluid used as fuel.
Light the gas in the oven.
Automotive.
Also called gas pedal.the foot-operated accelerator of an automotive vehicle.
Take your foot off the gas.
Coal Mining.an explosive mixture of firedamp with air.
an aeriform fluid or a mistlike assemblage of fine particles suspended in air, used in warfare to asphyxiate, poison, or stupefy an enemy.
Slang.
empty talk.
a person or thing that is very entertaining, pleasing, or successful.
The party was an absolute gas, and we loved it.
a person or thing that affects one strongly.
verb (used with object)
to supply with gas.
to overcome, poison, or asphyxiate with gas or fumes.
to singe (yarns or fabrics) with a gas flame to remove superfluous fibers.
to treat or impregnate with gas.
Slang.
to talk nonsense or falsehood to.
to amuse or affect strongly.
Her weird clothes really gas me.
verb (used without object)
to give off gas, as a storage battery being charged.
Slang.
to indulge in idle, empty talk.
to become drunk (often followed byup ).
verb phrase
to fill the gasoline tank of an automobile, truck, or other vehicle.
gas
/ ɡæ /
noun
a substance in a physical state in which it does not resist change of shape and will expand indefinitely to fill any container. If very high pressure is applied a gas may become liquid or solid, otherwise its density tends towards that of the condensed phase Compare liquid solid
any substance that is gaseous at room temperature and atmospheric pressure
any gaseous substance that is above its critical temperature and therefore not liquefiable by pressure alone Compare vapour
a fossil fuel in the form of a gas, used as a source of domestic and industrial heat See also coal gas natural gas
( as modifier )
a gas cooker
gas fire
a gaseous anaesthetic, such as nitrous oxide
mining firedamp or the explosive mixture of firedamp and air
the usual US, Canadian, and New Zealand word for petrol See also gasoline
informal
to increase the speed of a motor vehicle; accelerate
to hurry
a toxic or suffocating substance in suspension in air used against an enemy
informalidle talk or boasting
slanga delightful or successful person or thing
his latest record is a gas
an informal name for flatus
verb
(tr) to provide or fill with gas
(tr) to subject to gas fumes, esp so as to asphyxiate or render unconscious
(intr) to give off gas, as in the charging of a battery
(tr) (in textiles) to singe (fabric) with a flame from a gas burner to remove unwanted fibres
informalto talk in an idle or boastful way (to a person)
slang(tr) to thrill or delight
gas
One of four main states of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, the intermolecular forces are very small; it has no fixed volume and will expand to fill the space available.
Other 51Թ Forms
- gasless adjective
- nongas noun
- ˈ adjective
51Թ History and Origins
Origin of gas1
51Թ History and Origins
Origin of gas1
Idioms and Phrases
step on the gas, to increase the speed of one's movement or activity; hurry.
We'd better step on the gas or we'll be late for the concert.
Example Sentences
Transportation causes around 30% of the greenhouse gas pollution in the United States, and it’s one of the sectors where we have many known technologies to replace our polluting ways.
“Fire does the same thing, but it’s a gas, so it goes the opposite direction,” Nielson said.
Such biodegradable waste breaks down to produce methane, a greenhouse gas that is around 28 times more potent than carbon dioxide.
The attacks hit the Shahran gas depot, a major hub in Tehran, and the South Pars field, according to the Iranian Oil Ministry.
Shanks also said current North Sea oil and gas projects would be allowed to run to completion but reiterated that no further licenses for drilling would be granted.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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