Try Our Apps


Words You've Been Using Wrong


[foh-toh-i-lek-trik] /ˌfoʊ toʊ ɪˈlɛk trɪk/
pertaining to the electronic or other electric effects produced by light.
Sometimes, photoelectrical.
Origin of photoelectric
First recorded in 1860-65; photo- + electric
Related forms
photoelectrically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for photoelectric
Historical Examples
  • He has photoelectric vision, and a picture of what that aisle is supposed to look like.

    The Cosmic Computer Henry Beam Piper
  • Here's your photoelectric light key for room 2305 F. That's on the two hundred thirtieth floor.

    Stand by for Mars! Carey Rockwell
  • 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
British Dictionary definitions for photoelectric


of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
Derived Forms
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
Cite This Source
photoelectric in Medicine

photoelectric pho·to·e·lec·tric (fō'tō-ĭ-lěk'trĭk) or pho·to·e·lec·tri·cal (-trĭ-kəl)
Of or relating to the electric effects, especially increased conductivity, caused by light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
photoelectric in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for photoelectric

Word Value for photoelectric

Scrabble Words With Friends