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pho·to·e·lec·tric(fō′tō-ĭ-lĕk′trĭk) also pho·to·e·lec·tri·cal (-trĭ-kəl)
Of or relating to the electric effects caused by light.
(General Physics) of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
pho•to•e•lec•tric(ˌfoʊ toʊ ɪˈlɛk trɪk)
of or pertaining to electronic effects produced by light, esp. the phenomenon whereby a surface emits electrons when exposed to light.
pho`to•e•lec•tric′i•ty (-ɪ lɛkˈtrɪs ɪ ti, -ˌi lɛk-) n.
Relating to the electrical effects of light. For example, exposure to light can bring about the emission of electrons from a material, the generation of an electric current, or a change in the electrical resistance of a material. ♦ The emission of electrons from a material, such as a metal, as a result of being struck by photons (light) is called the photoelectric effect.