- the bond formed by the sharing of a pair of electrons by two atoms.
Origin of covalent bond
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms
- A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.
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Many molecules in living systems are held together by covalent bonds.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.