| excited atom | An atom possessing more than normal energy as a result of input of energy. See: excited state. Synonym: excited atom. (05 Mar 2000) |
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| excited catatonia | Catatonia in which the patient is excited, impulsive, hyperactive, and combative. (05 Mar 2000) |
| excited state | <chemistry, radiobiology> An atom or nucleus which possesses more energy than its ground state energy. (16 Dec 1997) |