tachometer
noun/tæˈkɒmɪtə(r)/
/tæˈkɑːmɪtər/
- a device that measures the rate that something turns and is used to measure the speed of an engine in a vehicle
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
tachometer