de-excitation

de-excite

[dee-ik-sahyt] Physics.
verb (used with object), de-excited, de-exciting.
1.
to cause (an atom) to fall from an excited energy level to a lower energy level.
verb (used without object), de-excited, de-exciting.
2.
to become de-excited.
Also, deexcite.


Origin:
1960–65

de-excitation, deexcitation, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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