Definition of rev noun from the Oxford Advanced Learner's Dictionary



BrE BrE//rev//
; NAmE NAmE//rev//
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(informal) a complete turn of an engine, used when talking about an engine’s speed synonym revolution 4 000 revs per minute The needle on the rev counter soared. The engine is almost silent at low revs. Word Originearly 20th cent.: abbreviation of revolution.
See the Oxford Advanced American Dictionary entry: rev