Main Entry:

pho·to·vol·ta·ic

Pronunciation:

\-väl-ˈtā-ik, -vōl-\

Function:

adjective

Etymology:

International Scientific Vocabulary

Date:

circa 1889

: of, relating to, or utilizing the generation of a voltage when radiant energy falls on the boundary between dissimilar substances (as two different semiconductors)

— photovoltaic noun