Denoting electronic or electric effects produced by the action of light. See p. effect, p. absorption.
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pho·to·elec·tric .fōt-ō-i-'lek-trik adj involving, relating to, or utilizing any of various electrical effects due to the interaction of radiation (as light) with matter
pho·to·elec·tri·cal·ly -tri-k(ə-)lē adv
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pho·to·elec·tric (fo″to-e-lekґtrik) pertaining to the electric effects of light or other radiation.Medical dictionary. 2011.