Thermocouple

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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)
  2. 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 wordnet

Etymology

From thermo- + couple.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.