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Dictionary

or•bit•al

Pronunciation: (ôr'bi-tl), [key]
—adj.
of or pertaining to an orbit.

—n.
Physics, Chem.
a. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital).
b. the electron in that state.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

orbit

orbital angular momentum

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