noun Chemistry.
the number of electron pairs that an atom can share with other atoms.

1915–20; co- + valence

covalent, adjective
covalently, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
covalency or covalence (kəʊˈveɪlənsɪ)
1.  the formation and nature of covalent bonds
2.  the number of covalent bonds that a particular atom can make with other atoms in forming a molecule
covalence or covalence
co'valent or covalence
co'valently or covalence

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1929, from covalence (1919), from co- + valence.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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Example sentences for covalent
Pairs of electrons located between atoms represent covalent bonds.
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