Dictionary.com

photoelectric

[ foh-toh-i-lek-trik ]
/ ˌfoʊ toʊ ɪˈlɛk trɪk /
Save This Word!

adjective

pertaining to the electronic or other electric effects produced by light.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Sometimes pho·to·e·lec·tri·cal .

Origin of photoelectric

First recorded in 1860–65; photo- + electric
pho·to·e·lec·tri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for photoelectric

photoelectric

photoelectrical

/ (ˌfəʊtəʊɪˈlɛktrɪk) /

adjective

of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
photoelectrically, adverbphotoelectricity (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

Medical definitions for photoelectric

photoelectric
[ fō′tō-ĭ-lĕktrĭk ]

adj.

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.

Scientific definitions for photoelectric

photoelectric
[ fō′tō-ĭ-lĕktrĭk ]

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.
Get Online Help For Kids!