covalence

[ 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

OTHER WORDS FROM covalence

co·va·lent, adjectiveco·va·lent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for covalent

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

    Home Ec at Harvard|Laura Colarusso|December 6, 2010|DAILY BEAST

Medicine definitions for covalent

covalent
[ kō-vālənt ]

adj.

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.