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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of photoelectron

First recorded in 1910–15; photo- + electron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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.
FEEDBACK