Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Synonyms
Nearby Words

emission

 - 5 dictionary results

e⋅mis⋅sion

  [i-mish-uhn]
Use emission in a Sentence
–noun
1. an act or instance of emitting: the emission of poisonous fumes.
2. something that is emitted; discharge; emanation.
3. an act or instance of issuing, as paper money.
4. Electronics. a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube.
5. an ejection or discharge of semen or other fluid from the body.
6. the fluid ejected or discharged.
Origin:
1600–10; (< MF) < L ēmissiōn- (s. of ēmissiō), equiv. to ēmiss(us), ptp. of ēmittere to emit (ē- e- + mit- send + -tus ptp. suffix) + -iōn- -ion

Synonyms:
5. ejaculation. 6. ejaculate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To emission
e·mis·sion   (ĭ-mĭsh'ən)   
n.  

  1. The act or an instance of emitting.

  2. Something emitted.

  3. A substance discharged into the air, especially by an internal combustion engine.


[Latin ēmissiō, ēmissiōn-, a sending out, from ēmissus, past participle of ēmittere, to send out; see emit.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

emission 
1607, from L. emissionem (nom. emissio) "a sending out," from emiss-, stem of emittere "send out" (see emit).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: emis·sion
Pronunciation: E-'mish-&n
Function: noun
1 : an act or instance of emitting
2 a : somethingsent forth by emitting: as (1) : electrons discharged from a surface (2) : electromagnetic waves radiated by an antenna or a celestial body (3) : substances and especiallypollutants discharged into the air (as by a smokestack or an automobile gasoline engine) b : a discharge of fluid from a living body; especially : EJACULATE —see NOCTURNAL EMISSION
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

emission e·mis·sion (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.
Cite This Source
Search another word or see emission on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way