[koh-vey-luh ns]

Origin of covalence

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

Examples from the Web for covalent

Contemporary Examples of covalent

  • "The covalent bonds… are so strong that you can't break them down by heat," explained Dufresne.

    The Daily Beast logo
    Home Ec at Harvard

    Laura Colarusso

    December 6, 2010

Word Origin and History for covalent

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

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