Cite
 

Meaning of tachometer

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.
See also: