pertaining to the electronic or other electric effects produced by light.
- Sometimes pho·to·e·lec·tri·cal .
- pho·to·e·lec·tri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use photoelectric in a sentence
Or there may be an inelastic collision, when the photon hits an atom and knocks out an electron—the old photoelectric effect.The Mercenaries | Henry Beam Piper
Two photoelectric robot machine guns followed each movement of the duelists.Thy Rocks and Rills | Robert Ernest Gilbert
He passed his hand rapidly over the photoelectric eye of the commo box.Null-ABC | Henry Beam Piper and John Joseph McGuire
Here's your photoelectric light key for room 2305 F. That's on the two hundred thirtieth floor.Stand by for Mars! | Carey Rockwell
When I went downstairs he followed me, quietly, and I could feel his wide photoelectric eye-cells upon my back.Robots of the World! Arise! | Mari Wolf
British Dictionary definitions for photoelectric
of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
- photoelectrically, adverb
- photoelectricity (ˌfəʊtəʊɪlɛkˈtrɪsɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for photoelectric
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.