K-shell

K-shell

[key-shel]
noun Physics.
the first shell of electrons surrounding the nucleus of an atom and containing, when filled, two electrons having principal quantum number 1.
Compare L-shell, M-shell, N-shell.


Origin:
1965–70

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To K-shell
Explore Dictionary.com
Previous Definition: k-series
Next Definition: k-star
Words Near: K-shell
More from Thesaurus.com
Synonyms and Antonyms for K-shell
More from Reference.com
Search for articles containing K-shell
More from Dictionary.com Translator
00:10
K-shell is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT