释义 |
gas 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 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 6. 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 > III. 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 > |