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Thermocouples (Gumsvc)

Thermometers 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. (Source: wordnet.princeton.edu)
Broader Term
Temperature measuring instruments (Gumsv)
Related Terms (Hierarchical)
Thermometers (Gumsvm)
Thermostats (Gumsvs)