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nounthe act of emitting; causing to flow forth
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nouna substance that is emitted or released
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nounany of several bodily processes by which substances go out of the body
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nounthe occurrence of a flow of water (as from a pipe)
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nounthe release of electrons from parent atomstype of:
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