[ foh-toh-i-mish-uh n ]
/ ˌfoʊ toʊ ɪˈmɪʃ ən /

noun Physics.


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Origin of photoemission

First recorded in 1915–20; photo- + emission

OTHER WORDS FROM photoemission

pho·to·e·mis·sive [foh-toh-i-mis-iv] /ˌfoʊ toʊ ɪˈmɪs ɪv/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for photoemission

/ (ˌfəʊtəʊɪˈmɪʃən) /


the emission of electrons due to the impact of electromagnetic radiation, esp as a result of the photoelectric effect

Derived forms of photoemission

photoemissive, adjective
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 photoemission

[ fō′tō-ĭ-mĭshən ]

See photoelectric effect.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.