Standard Lemma guide

thermocouple

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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1

noun

Meaning 1

A transducer consisting of two different metals welded together at each end; a voltage is produced that is proportional to the difference in temperature between the two junctions (one of which is normally held at a known temperature)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: thermocouple junction

Antonyms: none provided

Broader terms: thermometer

History

Etymology

Etymology tree Proto-Indo-European *gwher-der. Ancient Greek θερμός (thermós)der. English thermo- English couple English thermocouple From thermo- + couple.

Across languages

Translations

17 source translations are retained for this English entry.

  • Bulgarian: термодвойка (termodvojka) — type of transducer
  • Chinese Mandarin: 熱電偶 /热电偶 (rèdiàn'ǒu) — type of transducer
  • Finnish: lämpösähköpari — type of transducer
  • Finnish: termoelementti — type of transducer
  • French: thermocouple — type of transducer
  • German: Thermoelement — type of transducer
  • Greek: θερμοζεύγος (thermozévgos) — type of transducer
  • Irish: teirmeachúpla — type of transducer
  • Italian: termocoppia — type of transducer
  • Japanese: 熱電対 (netsudentsui) — type of transducer
  • Korean: 열전대 (yeoljeondae) — type of transducer
  • Portuguese: termopar — type of transducer
  • Romanian: termocuplu — type of transducer
  • Spanish: termocupla — type of transducer
  • Spanish: termopar — type of transducer
  • Swedish: termoelement — type of transducer
  • Swedish: termokors — type of transducer