Meaning of EMISSION in English

noun Date: 1607 1. an act or instance of emitting ; emanation , publication , a putting into circulation, 2. something sent forth by emitting: as, electromagnetic radiation from an antenna or a celestial body, substances discharged into the air (as by a smokestack or an automobile engine), effluvium , emissive adjective

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.