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English definition of “gas (sth) up”

gas (sth) up

US phrasal verb with gas     /ɡæs/ verb (-ss-)
to fill a vehicle's fuel container with fuel : I want to gas up when we get to the next town . You should gas the car up before you head home .Filling and completingPetrol stations, garages and repair shops
(Definition of gas (sth) up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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