covalent bond
US /ˌkoʊ.veɪ.lənt ˈbɑːnd/
UK /ˌkoʊ.veɪ.lənt ˈbɑːnd/

1.
a chemical bond that involves the sharing of electron pairs between atoms
:
•
Water molecules are held together by covalent bonds.
•
In a covalent bond, electrons are shared, not transferred.