K-shell
[ key-shel ]
nounPhysics.
the first shell of electrons surrounding the nucleus of an atom and containing, when filled, two electrons having principal quantum number 1.
Origin of K-shell
1First recorded in 1965–70
Words Nearby K-shell
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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