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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.
tachometer
/ ˌtækəˈmɛtrɪk; 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
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Derived Forms
- taˈchometry, noun
- tachometric, adjective
- ˌtachoˈmetrically, adverb
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Other Words From
- tach·o·met·ri·cal·ly [tak-, uh, -, me, -trik-lee], adverb
- ta·chome·try noun
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Word History and Origins
Origin of tachometer1
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Example Sentences
It had been suggested that the revolutions in Africa occurred so often that only a tachometer could keep up with them.
His clock and his tachometer assured him that he was well past Easton.
He watched his tachometer, which indicated his revolutions per minute.
I guess the first thing that Lindy watched was the tachometer.
The engine was next started and the number of revolutions of the propellers counted by a tachometer.
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