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Noun: rev  rev
  1. Rate of revolution of a motor
    "the engine was doing 6000 revs";
    - revolutions per minute, rpm
Verb: rev (revved,revving)  rev
  1. Increase the number of rotations per minute
    "rev up an engine";
    - rev up

Derived forms: revs, revving, revved

Type of: increase, rate

Encyclopedia: Rev