on
preposition (FOOD/FUEL/DRUG) /ɒn/
/ɑːn/ Definition
B2 used to show something that is used as food, fuel, or a drug: What do mice live on? Does this radio run on batteries? Is he on drugs?Drug addictionAddictionEatingBiting, chewing and swallowingFuelsPetroleum products especially when used as fuel
(Definition of on preposition (FOOD/FUEL/DRUG) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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