释义 |
WordReference Random House Learner's Dictionary of American English © 2024gas /gæs/USA pronunciation n., pl. gas•es, v., gassed, gas•sing. n. - Physicsa fluid substance with the ability to expand without limit, as opposed to a solid or a liquid: [uncountable]huge clouds of gas in outer space.[countable]Some gases are lighter than air.
- Physics, Chemistryany such fluid or mixture of fluids, used as a fuel, anesthetic, choking agent, etc.: [uncountable]:The house is heated with natural gas.[countable]nerve gases.
- [uncountable]
- gasoline:gas for a car.
- [usually: the + ~] the foot-operated accelerator of an automotive vehicle:put her foot on the gas.
- Physiology[uncountable] intestinal gas produced by bacterial action on waste matter in the intestines.
- [Slang.]
- [uncountable] empty talk.
- [countable* usually singular] a person or thing that is very pleasing:This party is a gas.
v. - to overcome, poison, or asphyxiate with gas or fumes:[~ + object]Entire villages were gassed in the war.
- [no object][Slang.]to indulge in idle talk.
- Automotive gas up, to fill the gasoline tank of a vehicle: [no object]We last gassed up in San Diego.[~ + up + object]We gassed up the car.[~ + object + up]We gassed the car up an hour ago.
Idioms- Idioms, Informal Terms step on the gas, [Informal.]to increase one's speed:You'll have to step on the gas to finish the book in time.
WordReference Random House Unabridged Dictionary of American English © 2024gas (gas),USA pronunciation n., pl. gas•es, v., gassed, gas•sing. n. - [Physics.]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.
- [Auto.]
- gasoline.
- Also called gas pedal. the foot-operated accelerator of an automotive vehicle:Take your foot off the gas.
- flatus.
- [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.
- step on the gas, [Informal.]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. v.t. - 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.
v.i. - to give off gas, as a storage battery being charged.
- [Slang.]
- to indulge in idle, empty talk.
- to become drunk (often fol. by up).
- gas up, to fill the gasoline tank of an automobile, truck, or other vehicle.
- 1650–60; coined by J. B. van Helmont (1577–1644), Flemish chemist; suggested by Greek cháos atmosphere
gas′less, adj. |