tachometer: Meaning and Definition of

ta•chom•e•ter

Pronunciation: (ta-kom'i-tur, tu-), [key]
— 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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