#initial-load-header-loader { visibility: hidden!important; } #initial-load-content { visibility: visible!important; } .expandable .expandable-control { display: none!important; } .expandable .expandable-content { display: block!important; visibility: visible!important; max-height: none!important; height: auto!important; }

photoelectron

[foh-toh-i-lek-tron]

noun Physics.

an electron emitted from a system by the photoelectric effect.

Origin of photoelectron

First recorded in 1910–15; photo- + electron

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for photoelectron

photoelectron

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

photoelectron in Science

photoelectron

[fō′tō-ĭ-lĕk′trŏn′]

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.