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tachograph

American

[tak-uh-graf, -grahf] / ˈtæk əˌgræf, -ˌgrɑf /

noun

a recording tachometer.
tachogram.

tachograph British

/ -ˌɡræf, ˈtækəˌɡrɑːf /

noun

Often shortened to: tacho. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tachograph

tacho- + -graph

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Majury maintained that in a later statement to the police but gave no comment after the findings of an examination of his mobile phone and the lorry's tachograph, the court was told.

From BBC • Aug. 6, 2020

"It's the same as the tachograph used in lorry cabs," said Michael.

From The Guardian • Mar. 27, 2013

"The tachograph indicates some unexplained variations in speed in the nine minutes before the accident," the judge said.

From BBC • Feb. 21, 2012

The tachograph indicates some unexplained variations in speed in the nine minutes before the accident.

From BBC • Feb. 21, 2012

She said his tachograph showed he was driving at 53mph along the 50mph stretch of road and there had been no reduction in speed approaching the collision.

From BBC • Mar. 15, 2011

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023