photovoltaics

[ foh-toh-vohl-tey-iks ]
/ ˌfoʊ toʊ voʊlˈteɪ ɪks /

noun

(used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
(used with a plural verb) devices designed to perform such conversion.

Origin of photovoltaics

First recorded in 1975–80; see origin at photovoltaic, -ics