Dictionary.com

tachometer

[ ta-kom-i-ter, tuh- ]
/ tæˈkɒm ɪ tər, tə- /
Save This Word!

Definition of tachometer

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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of tachometer

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

OTHER WORDS FROM tachometer

tach·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. 2022

How to use tachometer in a sentence

British Dictionary definitions for tachometer

tachometer
/ (tæˈkɒmɪtə) /

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 forms of tachometer

tachometric (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
FEEDBACK