Photoelectric
[foh-toh-i-lek-trik] /ˌfoʊ toʊ ɪˈlɛk trɪk/
adjective
1.
pertaining to the electronic or other effects produced by light.
/ˌfəʊtəʊɪˈlɛktrɪk/
adjective
1.
of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
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.
photoelectric
(fō’tō-ĭ-lěk’trĭk)
Relating to or exhibiting to electrical effects upon exposure to light. For example, some photoelectric materials emit electrons called photoelectrons upon exposure to certain frequencies of light; others, such as photoresistors and phototransistors, change their electrical properties. See also photoelectric effect.
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- Photoelectric-current
noun, Physics. 1. .
- Photoelectric-effect
noun, Physics. 1. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. noun 1. the ejection of electrons from a solid by an incident beam of sufficiently energetic electromagnetic radiation 2. any phenomenon involving electricity and […]
- Photoelectricity
[foh-toh-i-lek-tris-i-tee, -ee-lek-] /ˌfoʊ toʊ ɪ lɛkˈtrɪs ɪ ti, -ˌi lɛk-/ noun, Physics. 1. induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization. 2. the branch of physics that deals with these phenomena.
- Photoelectric magnitude
noun 1. (astronomy) the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength