noun. A revolution, as of a motor.

intransitive verb. undefined

intransitive verb. To increase the speed of (a motor, for example).

intransitive verb. To accelerate or increase.

intransitive verb. To make livelier or more productive.

intransitive verb. To operate at an increased speed.

intransitive verb. To accelerate in quantity or activity.

noun. revolution

verb. To increase the speed of a motor, or to operate at a higher speed.

abbreviation. reverend