WordReference Random House Unabridged Dictionary of American English © 2026
pho•to•vol•ta•ics
(fō′tō vōl tā′iks),USA pronunciation n.
- Physics(used with a sing. v.) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- Physics(used with a pl. v.) devices designed to perform such conversion.
- see photovoltaic, -ics 1975–80