[foh-toh-i-la-stis-i-tee, -ee-la-stis-] /ˌfoʊ toʊ ɪ læˈstɪs ɪ ti, -ˌi læˈstɪs-/
the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
the effects of stress, such as double refraction, on the optical properties of transparent materials
[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. […]
noun, Electronics. 1. . noun 1. another name for photocell photoelectric cell An electronic device having an electrical output that varies in response to the strength of incident electromagnetic radiation, especially visible light. Photoelectric cells make use of the photoelectric effect, in which electrons are displaced by photons in substances such as silicon or selenium […]
noun, Physics. 1. .
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 […]