"Tachycardiac" Natural Recordings by Native Speakers
Having a very fast heart rate; extremely rapid heartbeat.
A tachograph (or the adjective "tachographic") refers to a device or system for measuring the speed of a vehicle (usually one fitted with an engine of over 10 kW) or other machine, overlaid on a circular chart which records speed against time.<br><br>In a vehicle context, a tachograph is a tool for monitoring the driving hours of a driver, and ensures compliance with relevant laws which regulate how many hours may be worked without a rest.