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tacet
tach
tacheometry
tachina fly
tachinid
tachism
tachistoscope
tachogram
tachograph
tachometer
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tachyarrhythmia
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tachograph

tach·o·graph [ tákə gràf ] (plural tach·o·graphs)


noun 
Definition:
 
instrument producing record of tachometer use: an instrument that produces a record of the use and readings of a tachometer, especially one in a commercial vehicle or bus recording speeds and distances traveled. In effect, a tachograph records the hours worked by a driver.

[Early 20th century. < Greek takhos "speed"]
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