单词 | tachometer |
释义 | tachometer —tachometrically /tak'euh me"trik lee/, adv. —tachometry, n. /ta kom"i teuhr, teuh-/, n. 1. any of various instruments for measuring or indicating velocity or speed, as of a machine, a river, or the blood. 2. an instrument measuring revolutions per minute, as of an engine. [1800-10; TACHO- + -METER] |
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