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English definition of “gas”

gas

noun
 
 
/ɡæs/
SUBSTANCE [C, U] B2 a substance in a form like air and not solid or liquid: poisonous gasesThe state of matter
FUEL [U] A2 a substance in a form like air used as a fuel for heating and cooking: UK a gas cooker/ US a gas stovePetroleum products especially when used as fuelFuels
CAR FUEL [U] US (UK petrol) a liquid fuel used in cars: half a tank of gasPetroleum products especially when used as fuelFuelsFuelsPetroleum products especially when used as fuel
STOMACH [U] US (UK wind) air in your stomach that makes you feel uncomfortable and sometimes makes noisesDigestive disorders
the gas US informal the part of a car that you push with your foot to make it go faster: We'd better step on the gas (= drive faster). → See also natural gas, tear gasThe interior of vehicles
(Definition of gas noun from the Cambridge Learners Dictionary © Cambridge University Press)
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