Meaning of photoelectric effect

pho'toelec'tric effect"

Pronunciation: [key]
— Physics. Physics.
  1. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.