Tachograph
noun
1.
a recording tachometer.
2.
tachogram.
noun
1.
a tachometer that produces a graphical record (tachogram) of its readings, esp a device for recording the speed of and distance covered by a heavy goods vehicle Often shortened to tacho
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noun 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. noun 1. any device for measuring speed, esp the rate of revolution of a shaft. Tachometers (rev counters) are often fitted to […]
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noun a fear of speed Word Origin Greek tacho- ‘speed’
- Tachy-
1. a combining form meaning “swift,” used in the formation of compound words: tachygraphy. combining form 1. swift or accelerated: tachycardia, tachygraphy, tachylyte, tachyon, tachyphylaxis tachy- pref. Rapid; accelerated: tachycardia.
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tachyarrhythmia tach·y·ar·rhyth·mi·a (tāk’ē-ə-rĭð’mē-ə) n. An excessively rapid heartbeat accompanied by arrhythmia.
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tachycardia-bradycardia syndrome n. A syndrome characterized by alternating periods of slow and rapid heartbeat.