the production of heat at one junction and the absorption of heat at the other junction of a thermocouple when a current is passed around the thermocouple circuit. The heat produced is additional to the heat arising from the resistance of the wires
Compare Seebeck effect
Word origin
C19: named after Jean Peltier (1785–1845), French physicist, who discovered it
Peltier effect in American English
(ˈpɛlˌtjeɪ; pɛlˈtjeɪ)
Electricity
the liberation or absorption of heat at a junction of two unlike metals through which an electric current is passing