excited state

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excited state

n.
A state of a physical system in which the system has more than the minimum possible potential energy and is therefore often unstable.

excit′ed state′



n.
an energy level of a physical system, esp. an atom, molecule, or nucleus, that has higher energy than the ground state.
Translations
état excité
References in periodicals archive ?
Electron-electron and electron-hole interactions in small semiconductor crystallites: The size dependence of the lowest excited electronic state.
Fplf[alpha]] between the initial ground electronic state labeled by lf[alpha] and the excited electronic state labeled by [beta].
Objective: Highly excited electronic states of small atmospheric molecules play an important, but as yet little explored, role in the reactivity, and in the evolution of plasmas, including the Aurora Borealis, in the upper atmosphere of the Earth.