emanation

The definition of an emanation is something that comes from a specific source.

(noun)

The light coming off of a light fixture is an example of emanation.

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See emanation in Webster's New World College Dictionary

noun

  1. the act of emanating
  2. something that comes forth from a source; thing emitted
  3. Chem.
    1. radon
    2. a heavy, gaseous isotope that results from the decay of a radioactive element

Origin: LL emanatio

Related Forms:

See emanation in American Heritage Dictionary 4

noun
  1. The act or an instance of emanating.
  2. a. Something that issues from a source; an emission.
    b. Chemistry Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.

Related Forms:

  • emˌa·naˈtion·al adjective

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