rev
/rev/
Definition
Noun:
- A single revolution of an engine or motor: "rev" refers to one complete rotation of an engine's crankshaft, often used to measure its speed.
- Rate of revolution: It commonly indicates the number of such revolutions per minute (rpm), representing the engine's operational speed.
Verb:
- To increase the speed of an engine: To cause an engine to operate at a higher number of revolutions per minute.
- To revolve quickly: For an engine to run at a high speed, often producing a characteristic sound.
Examples of Usage
Noun: The tachometer showed the engine was running at 3,000 revs.He listened to the smooth revs of the well-tuned motor.
Verb: The driver revved the engine loudly at the start line.Don't rev the car while it's cold; let it warm up first.
Advanced Usage
- "to rev up" (phrasal verb): To increase the speed of an engine, often abruptly or to a high level. It can also be used figuratively to mean to make something more active or energetic.
Variants and Related Words
- Revs (n, plural): The standard plural form of the noun "rev," specifically referring to the revolutions per minute.
- Revving (v, gerund/noun): The act of increasing an engine's speed.
Synonyms
- Revolutions (n): A more formal term for complete turns, especially in mechanical contexts.
- RPM (n, abbreviation): Revolutions Per Minute; a standard unit for measuring rotational speed.
- Gun (v, informal): To rev an engine quickly (e.g., ).
Related Phrasal Verbs
- Rev up: As detailed in the 'Advanced Usage' section, this is the primary phrasal verb.
- Rev down (less common): To decrease the speed of an engine.
Related Idioms
- "To hit the rev limiter": To reach the maximum safe rotational speed programmed into an engine's computer, preventing it from revving higher.
Noun
- rate of revolution of a motor
- the engine was doing 6000 revs
Verb
- increase the number of rotations per minute
- rev up an engine
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ chứa "rev"
