ther·mo·cou·ple (thûr m -k p l)n. A thermoelectric device used to measure temperatures accurately, especially one consisting of two dissimilar metals joined so that a potential difference generated between the points of contact is a measure of the temperature difference between the points. |
thermocouple
[thur′məkup′əl]
Etymology: Gk, thermē + Fr, couple, pair
a temperature-measuring device that relies on the production of a temperature-dependent voltage at the junction of two dissimilar metals.
thermocouple,
n the joining of two dissimilar metals. The unequal thermal expansion of the two metals is used to indicate temperature changes.
thermocouple
a pair of dissimilar electric conductors so joined that with the application of heat an electromotive force is established; used for measuring small temperature differences.
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