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Dictionary

pho'toelec'tric effect"

Physics.
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 photoemission.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

photoelectric current

photoelectricity

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