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excited state

 

Definition: the condition of an atom or molecule after absorbing energy, which may be the result of exposure to light, electricity, elevated temperature, or a chemical reaction; such activation may be a necessary prelude to a chemical reaction or to the emission of light.

Synonym(s): activated state

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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