emission - definition of emission by the Free Online Dictionary, Thesaurus and Encyclopedia.

emission [ɪˈmɪʃən] n 1. the act of emitting or sending forth 2. (Physics / General Physics) energy, in the form of heat, light, radio waves, etc., emitted from a source 3. a substance, fluid, etc., that is emitted; discharge 4. (Physics / General Physics)

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