Main Entry: pho·to·elec·tric Pronunciation: "fOt-O-i-'lek-trik Function: adjective : involving, relating to, or utilizing any of variouselectrical effects due to the interaction of radiation (as light) with matter —pho·to·elec·tri·cal·ly/-tri-k(&-)lE/adverb
photoelectric pho·to·e·lec·tric (fō'tō-ĭ-lěk'trĭk) or pho·to·e·lec·tri·cal (-trĭ-kəl) adj. Of or relating to the electric effects, especially increased conductivity, caused by light.