Energy-level


noun
1.
a comparative level of capacity for vigorous activity:
The child has a high energy level.
2.
Also called energy state. Physics. one of a quantized series of states in which matter may exist, each having constant energy and separated from others in the series by finite quantities of energy.
noun (physics)
1.
a constant value of energy in the distribution of energies among a number of atomic particles
2.
the energy of a quantum state of a system. The terms energy level and energy state are often used loosely to mean quantum state. This is avoided in precise communication
energy level
One of a set of states of a physical system associated with a range of energies. Electrons in an atom, for example, can shift between the different energy levels corresponding to orbitals in different shells. Also called energy state.

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