tachometer

[ta-kom-i-ter, tuh-]

noun

any of various instruments for measuring or indicating velocity or speed, as of a machine, a river, or the blood.
an instrument measuring revolutions per minute, as of an engine.

Nearby words

  1. tachisme,
  2. tachistoscope,
  3. tacho-,
  4. tachogram,
  5. tachograph,
  6. tachy-,
  7. tachyarrhythmia,
  8. tachycardia,
  9. tachycardia window,
  10. tachycardia-bradycardia syndrome

Origin of tachometer

First recorded in 1800–10; tacho- + -meter

Related formstach·o·met·ri·cal·ly [tak-uh-me-trik-lee] /ˌtæk əˈmɛ trɪk li/, adverbta·chom·e·try, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for tachometry

tachometer

noun

any device for measuring speed, esp the rate of revolution of a shaft. Tachometers (rev counters) are often fitted to cars to indicate the number of revolutions per minute of the engine
Derived Formstachometric (ˌtækəˈmɛtrɪk) or tachometrical, adjectivetachometrically, adverbtachometry, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tachometry

tachometer

n.

1810, from Greek tachos "speed" + -meter.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for tachometry

tachometer

[tă-kŏmĭ-tər]

n.

An instrument used to measure the rotations per minute of a rotating shaft.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.