tachometer
From WikiWord, the free dictionary
/təˈkɒmətə(ɹ)/
English
Definitions
noun
- A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
- A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc.
Related words
Synonyms
rev countertachspeedometerchronometricsignaltachographtachospeedodriveshaftidling speedairspeedometerjacking geargearheaddriving shaftdynamometervariometerturboshaft