• synonyms


[koh-vey-luh ns]
noun Chemistry.
  1. the number of electron pairs that an atom can share with other atoms.
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Origin of covalence

First recorded in 1915–20; co- + valence
Related formsco·va·lent, adjectiveco·va·lent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for covalent


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

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Online Etymology Dictionary, © 2010 Douglas Harper

covalent in Medicine


  1. Of or relating to a chemical bond characterized by one or more pairs of shared electrons.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.