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Definitions of emission
  1. noun
    the act of emitting; causing to flow forth

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  2. noun
    a substance that is emitted or released

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  3. noun
    any of several bodily processes by which substances go out of the body

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  4. noun
    the occurrence of a flow of water (as from a pipe)
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  5. noun
    the release of electrons from parent atoms
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Definition that contains emission
  • lightning abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
  • active (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions
  • radiation the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  • laser an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
  • glow the phenomenon of light emission by a body as its temperature is raised
  • elves an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
  • decay the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  • electronics the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
  • seeker a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)
  • spectrum an ordered array of the components of an emission or wave
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