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Speedometer vs Tachometer - What's the difference?

speedometer | tachometer | Synonyms |

Tachometer is a synonym of speedometer.



As nouns the difference between speedometer and tachometer

is that speedometer is a device that measures, and indicates the current speed of a vehicle while tachometer is a device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.

speedometer

English

Alternative forms

* speedometre (nonstandard)

Noun

(wikipedia speedometer) (en noun)
  • A device that measures, and indicates the current speed of a vehicle.
  • Such a device incorporating an odometer.

    • Synonyms

    * (device that measures speed) tachometer

    tachometer

    English

    Alternative forms

    * tachometre (nonstandard)

    Noun

    (en 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.

    • Synonyms

    * (device for measuring velocity) speedometer

    Related terms

    * tachymeter