Function: noun
Date: 1889
: a chemical bond in which two pairs of electrons are shared by two atoms in a molecule ― compare SINGLE BOND , TRIPLE BOND
Function: noun
Date: 1889
: a chemical bond in which two pairs of electrons are shared by two atoms in a molecule ― compare SINGLE BOND , TRIPLE BOND
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012