Dictionary.com

photoelectron

[ foh-toh-i-lek-tron ]
/ ˌfoʊ toʊ ɪˈlɛk trɒn /
Save This Word!

noun Physics.

an electron emitted from a system by the photoelectric effect.

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of photoelectron

First recorded in 1910–15; photo- + electron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for photoelectron

photoelectron
/ (ˌfəʊtəʊɪˈlɛktrɒn) /

noun

an electron ejected from an atom, molecule, or solid by an incident photon
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 photoelectron

photoelectron
[ fō′tō-ĭ-lĕktrŏn′ ]

An electron released or ejected from a photoelectric substance, having absorbed energy from incoming light.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Learn A New Word Right Now!