Longman Dictionary of Contemporary English homepage

Topic: MECHANICAL

rev

1 verb
     
rev1 past tense and past participle revved, present participle revving [intransitive and transitive]
TTCTEM also rev up if you rev an engine, or if an engine revs, you make it work faster

rev up

phrasal verb
if you rev up a system or organization, or if it revs up, it becomes more active
rev up for
They are revving up for one of the biggest fund-raising events ever organized.
rev something ↔ up
Investors keep putting money in U.S. companies, revving up the economy even more.
Definition of rev from the Longman Dictionary of Contemporary English within
the topic MECHANICAL
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