tachometer

[ ta-kom-i-ter, tuh- ]
/ tæˈkɒm ɪ tər, tə- /

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.

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/, adverb ta·chom·e·try, noun

Words nearby tachometer

tachisme, tachistoscope, tacho-, tachogram, tachograph, tachometer, tachy-, tachyarrhythmia, tachycardia, tachycardia window, tachycardia-bradycardia syndrome

British Dictionary definitions for tachometry

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, adjective tachometrically, adverb tachometry, noun

Medical definitions for tachometry

tachometer
[ tă-kŏm′ĭ-tər ]

n.

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