Meaning of photovoltaic effect

pho'tovolta'ic effect"

Pronunciation: [key]
— Physics. Physics.
  1. the phenomenon in which the incidence of light or other electromagnetic radiation upon the junction of two dissimilar materials, as a metal and a semiconductor, induces the generation of an electromotive force.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.