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emission

[ ih-mish-uh n ]
/ ɪˈmɪʃ ən /
SEE SYNONYMS FOR emission ON THESAURUS.COM

noun

an act or instance of emitting: the emission of poisonous fumes.
something that is emitted; discharge; emanation.
an act or instance of issuing, as paper money.
Electronics. a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube.
an ejection or discharge of semen or other fluid from the body.
the fluid ejected or discharged.

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Words related to emission

discharge, radiation, emanation, transmission, utterance, ejection, exhalation, issue, ejaculation, shedding, exudation

Words nearby emission

emir, emirate, emiscan, emissary, emissary vein, emission, emission nebula, emission spectrum, emissive, emissivity, emit

Origin of emission

1600–10; (< Middle French) < Latin ēmissiōn- (stem of ēmissiō), equivalent to ēmiss(us), past participle of ēmittere to emit (ē- e-1 + mit- send + -tus past participle suffix) + -iōn- -ion

OTHER WORDS FROM emission

non·e·mis·sion, nounre·e·mis·sion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for emissions

British Dictionary definitions for emissions

emission
/ (ɪˈmɪʃən) /

noun

the act of emitting or sending forth
energy, in the form of heat, light, radio waves, etc, emitted from a source
a substance, fluid, etc, that is emitted; discharge
a measure of the number of electrons emitted by a cathode or electron gunat 1000°C the emission is 3 mA See also secondary emission, thermionic emission
physiol any bodily discharge, esp an involuntary release of semen during sleep
an issue, as of currency

Derived forms of emission

emissive, adjective

Word Origin for emission

C17: from Latin ēmissiō, from ēmittere to send forth, emit
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

Medicine definitions for emissions

emission
[ ĭ-mĭsh′ən ]

n.

A discharge of fluid from a living body, usually a seminal discharge.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.