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secondary emission

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
secondary emission
n.
Emission of electrons from the surface of a substance as a result of bombardment by electrons or ions.
secondary emission
n
(Physics / General Physics) Physics the emission of electrons (secondary electrons) from a solid as a result of bombardment with a beam of electrons, ions, or metastable atoms: used in electron multipliers
secondary emission
The emission of electrons or ions from a material, caused by collisions of electrons or other charged particles with the material. Electron multipliers, photomultipliers, and Geiger counters all work by means of secondary emission.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.secondary emission - the emission of electrons from a surface that is bombarded by higher energy primary electrons
emission - the release of electrons from parent atoms


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