rev

US /rev/
UK /rev/
1.

sửa đổi

a revolution of an engine per minute.

:
an engine speed of 1,750 revs
1.

sửa đổi

increase the running speed of (an engine) or the engine speed of (a vehicle) by pressing the accelerator, especially while the clutch is disengaged.

:
he got into the car, revved up the engine and drove off