Standard Lemma guide

tachograph

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈtækəɡɹæf/
  • /ˈtækəɡɹɑːf/

1

noun

Meaning 1

A device that records the distance and time traveled by a vehicle (especially a truck or coach), used to check the drivers' working time.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: tacho

Antonyms: none provided

Broader terms: black box

2

noun

Meaning 2

a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: tachometer, tach

History

Etymology

From tacho- + -graph.

Across languages

Translations

11 source translations are retained for this English entry.

  • Finnish: ajopiirturi — checking device
  • French: chronotachygraphe — checking device
  • French: mouchard — checking device
  • German: Fahrtenschreiber — checking device
  • German: Tachograf — checking device
  • Greek: ταχογράφος (tachográfos) — checking device
  • Hungarian: tachográf — checking device
  • Hungarian: menetíró készülék — checking device
  • Polish: tachograf — checking device
  • Russian: тахо́граф (taxógraf) — checking device
  • Ukrainian: тахо́граф (taxóhraf) — checking device