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Definition of Tachometer
1. Noun. Measuring instrument for indicating speed of rotation.
Generic synonyms: Measuring Device, Measuring Instrument, Measuring System
Specialized synonyms: Tachograph
Definition of Tachometer
1. n. An instrument for measuring the velocity, or indicating changes in the velocity, of a moving body or substance.
Definition of Tachometer
1. Noun. A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile. ¹
2. Noun. A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc. ¹
¹ Source: wiktionary.com
Definition of Tachometer
1. [n -S]
Medical Definition of Tachometer
1.
An instrument for measuring the velocity, or indicating changes in the velocity, of a moving body or substance. Specifically:
An instrument for measuring the velocity of running water in a river or canal, consisting of a wheel with inclined vanes, which is turned by the current. The rotations of the wheel are recorded by clockwork.
An instrument for showing at any moment the speed of a revolving shaft, consisting of a delicate revolving conical pendulum which is driven by the shaft, and the action of which by change of speed moves a pointer which indicates the speed on a graduated dial.