Tachometer definition

tă-kŏmĭ-tər, tə-
An instrument used to measure the rotations per minute of a rotating shaft.
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A device that indicates or measures the rotational speed of a spinning shaft.
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A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
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A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc.
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Other Word Forms

Noun

Singular:
tachometer
Plural:
tachometers

Origin of tachometer

  • Greek takhos speed –meter

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary

Tachometer Sentence Examples

  • Inside the headlight nacelle, disconnect the rev counter (tachometer) cable.

  • Has a tachometer on the black outer bezel (non rotating of course).

  • Clean looking dial with bold numbers and discreetly placed tachometer scale on a tiered internal fixed bezel.

  • The fan 's tachometer output enables the alarm module to monitor the speed of the fans.

  • Tachometer generator -- device that supplies power at a frequency proportional to the driven speed which drives the synchronous motors in the indicator.

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Words near tachometer in the Dictionary