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Definition of thermocouple

thermocouple

/ˈθɜːrmoʊˌkʌpəl/
ther · mo · cou · ple
Plural:thermocouples
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thermocouple Lexical Profile

thermocouple Game Scores & Validity

• noun

1

A thermoelectric device used to measure temperature, consisting of two dissimilar metal wires joined at one end, which produces a voltage proportional to the temperature difference between the joined and unjoined ends.

Example

"The engineer inserted a thermocouple into the furnace to closely monitor the extreme temperature fluctuations during the smelting process."

Synonyms
View all synonyms for thermocouple

• Nearby Words

thelesperma
theodolite
therizinosaurus
thermocouple
thermometer
thermopsis
thermos

Word Origin & Etymology

Coined in the late 19th century from the prefix 'thermo-' (from Greek 'thermē', meaning heat) and 'couple', referring to the joining of two dissimilar metals to create the thermoelectric effect.

Cite this Entry

Wordmom. (2026). Definition of Thermocouple. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/thermocouple
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