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Tachometer
//təˈkɒmətə(ɹ)// noun
Definitions
Noun
- 1 A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
- 2 measuring instrument for indicating speed of rotation wordnet
- 3 A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc.
Etymology
From tacho- + -meter.
See also for "tachometer"
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Unscramble this word: tachometer