Definition, Meaning & Synonyms
tach
Noun
/tæk/
Definition
A tachometer is an instrument that measures the rotation speed of a shaft or disk, often expressed in revolutions per minute (RPM).
Examples
- The tach on my car indicates that the engine is running at 3000 RPM.
- Mechanics rely on the tach to ensure the engine operates within safe limits.
- When racing, the driver constantly checks the tach to know when to shift gears.
Meaning
The term ‘tach’ is an abbreviation for tachometer, frequently used in automotive contexts to monitor engine speed.
Synonyms
- Speedometer
- Revolution counter
- RPM gauge
