Source : Webster's Revised Unabridged Dictionary (1913)

Peltier effect \Pel`tier" ef*fect"\ [After Jean C. A. Peltier,
   French physicist, the discoverer.] (Elec.)
   The production or absorption of heat at the junction of two
   metals on the passage of a current. Heat generated by the
   passage of the current in one direction will be absorbed if
   the current is reversed.