Peltier effect

[ pel-tyey ]
/ ˈpɛl tyeɪ /

noun Physics.

the change in temperature of either junction of a thermocouple when a current is maintained in the thermocouple and after allowance is made for a temperature change due to resistance.

Origin of Peltier effect

1855–60; named after Jean C. A. Peltier (1785–1845), French physicist who discovered it Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for peltier effect

Peltier effect
/ (ˈpɛltɪˌeɪ) /


physics 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 wiresCompare Seebeck effect

Word Origin for Peltier effect

C19: named after Jean Peltier (1785–1845), French physicist, who discovered it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012