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Dictionary

pho•to•cath•ode

Pronunciation: (fō"tō-kath'ōd), [key]
—n.
a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.

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

photocatalysis

photocell

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