Pronunciation: (fō"tō-vōl-tā'iks), [key]
1. (used with a sing. v.) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
2. (used with a pl. v.) devices designed to perform such conversion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.