Emission 10181 218014400 2008-06-08T19:38:54Z 84.122.27.103 interwiki spanish {{wiktionarypar|emission}} '''Emission''' may refer to: * [[Flue gas]], also: ** [[Exhaust gas]], flue gas occurring as a result of the combustion of a fuel * Emission of [[air pollutant]]s * [[Emission (electromagnetic radiation)]], the process by which the energy of a photon is released by another entity * [[Emission (radiocommunications)]], the radio signal (usually modulated) emitted from a radio transmitter * [[Emission coefficient]], a coefficient in the power output per unit time of an electromagnetic source * [[Emission factor]] * [[Emission line]], or "spectral line", a dark or bright line in an otherwise uniform and continuous spectrum * [[Emission nebula]], a cloud of ionized gas emitting light of various colors * [[Emission spectroscopy]], mass spectroscopy, photoemission spectroscopy, flame emission spectroscopy and other types of spectroscopy * [[Emission standard]] * [[Emission theory]], a competing theory for the special theory of relativity, explaining the results of the Michelson-Morley experiment * [[Emission theory (vision)]], the proposal that visual perception is accomplished by rays of light emitted by the eyes * [[Emissions trading]] * [[Ejaculation]], the ejecting of semen from the penis; also, specifically: ** [[Nocturnal emission]], ejaculation experienced during sleep * [[Light emission]] * [[Thermionic emission]], the flow of charged particles called thermions from a charged metal or a charged metal oxide surface, archaically known as the Edison effect * Noise emission; see [[Noise]] {{Disambig}} [[als:Emission]] [[bg:Емисия]] [[cs:Emise]] [[de:Emission]] [[es:Emisiones]] [[fr:Émission]] [[lv:Emisija]] [[nl:Emissie]] [[no:Emisjon]] [[nn:Emisjon]] [[pl:Emisja]] [[pt:Emissão]] [[ru:Эмиссия]] [[simple:Emission]] [[sv:Emission]]