tachometer

English

Alternative forms

• tachometre

Etymology

Greek tachy-, 'fast' + -meter

Noun

tachometer (plural tachometers)

1. A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
2. A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc.

Synonyms

• (device for measuring velocity): speedometer

Translations

device for measuring rpm

• Catalan: tacòmetre (ca) m, compta-revolucions (ca) m, comptavoltes (ca) m
• Finnish: kierroslukumittari (fi), takometri (fi)
• German: Drehzahlmesser (de)

• Italian: tachimetro (it) m
• Malay: takometer (ms)
• Spanish: tacómetro (es) m

device for measuring velocity — see speedometer

Related terms

• tachymeter