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Rotometer vs Tachometer - What's the difference?

rotometer | tachometer |

Rotometer is likely misspelled.


Rotometer has no English definition.

As a noun tachometer is

a device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.

rotometer

Not English

Rotometer has no English definition. It may be misspelled.

English words similar to 'rotometer':

radiometer, ratemeter, rotameter, retender, retentor, roadometer, reattender, ratiometer

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