- Denoting electronic or electric effects produced by the action of light. See p. effect, p. absorption.
* * *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 matterpho·to·elec·tri·cal·ly -tri-k(ə-)lē adv
* * *pho·to·elec·tric (fo″to-e-lekґtrik) pertaining to the electric effects of light or other radiation.
Medical dictionary. 2011.