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- DictionaryE·mis·sion/əˈmiSH(ə)n/
noun
- 1. the production and discharge of something, especially gas or radiation: "the effects of lead emission on health"
An emission is something sent out from something else. Such emissions are often by-products released during the course of other processes—such as smoke being emitted from a factory or heat being emitted from a machine. Emissions from cars and airplanes come from the burning of fuel by their engines.
An emission is something that's been released or emitted into the world. Car exhaust, burps, and radio broadcasts are all examples of emissions.
the act of sending gas, heat, light, etc. out into the air, or an amount of gas, heat, light, etc that is sent out: Carbon dioxide emissions will be reduced by 20%. (Definition of emission from the Cambridge Learner's Dictionary © Cambridge University Press)
Definition of emission noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Emission definition, an act or instance of emitting: the emission of poisonous fumes. See more.
5 days ago · the act of emitting or sending forth. 2. energy, in the form of heat, light, radio waves, etc, emitted from a source. 3. a substance, fluid, etc, that is emitted; discharge. 4. a measure of the number of electrons emitted by a cathode or electron gun. at 1000°C the emission is 3 mA.
emission noun. Factsheet. Etymology. Meaning & use. Pronunciation. Frequency. Compounds & derived words. Meaning & use. noun. The action of emit v. 1. 1607–1827. † The action of sending forth. Obsolete in general sense. 1607. Emission or sending away. E. Topsell, Historie of Foure-footed Beastes 230. 1646.
