tachometer

Pronunciation

• IPA ^(key): /təˈkɒmətə(r)/

• Audio (UK)

  (file)

Noun

Singular tachometer

Plural tachometers

1. (countable) A tachometer is a device that measures, and indicates the revolutions per minute (RPMs) of a revolving shaft, such as the driveshaft of an automobile.