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internal conversion

noun Physics.

the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.

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You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
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Origin of internal conversion

First recorded in 1925–30

Words nearby internal conversion

internal clock, internal-combustion, internal-combustion engine, internal conflict, internal conjugate, internal conversion, internal ear, internal elastic lamina, internal energy, internal exile, internal fistula
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020