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Definition of Tachograph
1. Noun. A tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle.
Definition of Tachograph
1. n. A recording or registering tachometer; also, its autographic record.
Medical Definition of Tachograph
1. A tachometer designed to provide a continuous record of speed or rate. Origin: G. Tachos, speed, + grapho, to write (05 Mar 2000)