Meaning of GAS in English

I. ˈgas, -aa(ə)s, -ais noun

( plural gases also gasses )

Usage: often attributive

Etymology: New Latin, alteration of chaos air, from Latin, chaos — more at chaos

1. : a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely : a substance at a temperature above its critical temperature and therefore not liquefiable by pressure alone — compare kinetic theory , permanent gas , state of aggregation ; liquid 1, vapor 2


a. : a gas or gaseous mixture with the exception of atmospheric air — not used scientifically

b. : a gas or gaseous mixture (as laughing gas or ethylene) used to produce anesthesia

c. : a combustible gaseous mixture (as for fuel or illumination)

heated his house with gas

— see liquefied petroleum gas , manufactured gas , natural gas

3. slang : empty boasting talk : bombast , humbug , nonsense

4. : the state of having or an accumulation of gas in the digestive tract ; also : distress caused by this

5. : a substance (as a war gas or tear gas) whether gaseous, liquid, or solid under ordinary conditions that can be used to produce a poisonous, asphyxiating, or irritant atmosphere — compare smoke 1b


a. : gasoline

b. : the accelerator of a gasoline-powered vehicle

had the gas to the floor most of the way

II. verb

( gassed ; gassed ; gassing ; gasses )

transitive verb

1. : to affect or treat with gas: as

a. : singe 1b

b. : to subject to the action of gas

fruit gassed with ethylene

sometimes : to injure or cause to deteriorate by the action of gas

c. : to poison or asphyxiate with a gas especially in warfare

d. : to cause (as a metal) to absorb gas

2. slang : to address gas to : deceive or befuddle with idle boasting talk

3. : to supply with gas or especially gasoline — often used with up

decided to gas up the car the night before they were to start

intransitive verb

1. : to give off gas (as of a storage battery during charging or a molten metal during cooling)

the new well gassed for several days before oil appeared

2. slang : to indulge in idle, garrulous, or boastful talk : chat idly or casually

stopped in to gas with the boys

3. : to fill the tank (as of a car, airplane, or motor) with gasoline — often used with up

gas up on the way back


plural of ga

IV. noun

1. : driving force : energy

the quarter horse runs out of gas after a quarter mile — Carol Flake

2. slang : one that is very appealing or enjoyable

the party was a gas

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.