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[koh-vey-luh ns] /koʊˈveɪ ləns/
noun, Chemistry.
the number of electron pairs that an atom can share with other atoms.
Origin of covalence
First recorded in 1915-20; co- + valence
Related forms
covalent, adjective
covalently, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Origin and History for covalent

1929, from covalence (1919), from co- + valence.

Online Etymology Dictionary, © 2010 Douglas Harper
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covalent in Medicine

covalent co·va·lent (kō-vā'lənt)
Of or relating to a chemical bond characterized by one or more pairs of shared electrons.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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