Definition, Meaning & Synonyms
tacho
noun
ˈtæk.əʊ
Definition
A device that measures the rotational speed of a shaft or disk, usually in revolutions per minute (RPM).
Examples
- The tacho on the dashboard showed that the engine was running at 3000 RPM.
- Many modern cars include a digital tacho for easy reading.
- The mechanic checked the tacho to ensure the engine was running within safe limits.
Meaning
Tacho is short for tachometer, which is often used in vehicles to monitor how fast an engine is running.
Synonyms
- tachometer
- RPM meter
