covalent bond

noun, Chemistry
1.
the bond formed by the sharing of a pair of electrons by two atoms.
Origin
1960-65
British Dictionary definitions for covalent bond

covalent bond

noun
1.
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
covalent bond in Medicine

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

covalent bond in Science
covalent bond
(kō-vā'lənt)

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.

covalent bond in Culture
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.