noun Physics.

1915–20; photo- + emission

photoemissive [foh-toh-i-mis-iv] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
photoemission (ˌfəʊtəʊɪˈmɪʃən)
the emission of electrons due to the impact of electromagnetic radiation, esp as a result of the photoelectric effect

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American Heritage
Science Dictionary
photoemission   (fō'tō-ĭ-mĭsh'ən)  Pronunciation Key 
See photoelectric effect.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Development of new techniques and instrumentation in angle resolved photoemission.
Angle-resolved photoemission experiments directly demonstrate that the observed effect is caused by spin-orbit interaction.
The quasiparticle energies are measured in photoemission and inverse photoemission experiments.
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