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| e·mis·sion [ i mísh'n ] (plural e·mis·sions) |
noun |
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| Definition: |
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1. letting something out: the act or process of letting something out or giving something out
  the emission of radiation
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2. something given out: something that is produced or given out
harmful exhaust emissions
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3. physics released energy: energy released from a source, usually in the form of electromagnetic radiation
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4. physiology something released from body: a bodily discharge, especially of semen
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| [15th century. < Latin emission-< emiss-, past participle of emittere (see emit)] |
