emanation
noun
- the act of emanating
- something that comes forth from a source; thing emitted
- Chem.
- radon
- a heavy, gaseous isotope that results from the decay of a radioactive element
See emanation in American Heritage Dictionary 4
(ĕmˌə-nāˈshən)
noun- The act or an instance of emanating.
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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