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.

synoniem: thermocouple.

Nederlands: thermoelement, thermo-element
Pools: termoelement, termopara, ogniwo termoelektryczne, termoogniwo