covalent bond

covalent bond

noun Chemistry.
the bond formed by the sharing of a pair of electrons by two atoms.

Origin:
1960–65

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World English Dictionary
covalent bond
 
n
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

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American Heritage
Medical Dictionary

covalent bond n.
A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
covalent bond  [%PREMIUM_LINK%]     (kō-vā'lənt)  Pronunciation Key 


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A chemical bond formed when electrons are shared between two atoms. Usually each atom contributes one electron to form a pair of electrons that are shared by both atoms. See more at coordinate bond, double bond, polar bond.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
covalent bond [(koh-vay-luhnt)]

A chemical bond in which two atoms share some of their valence electrons, thereby creating a force that holds the atoms together.

Note: Many molecules in living systems are held together by covalent bonds.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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