As for the girl—there was now a double bond between her and the dog.
But notwithstanding this double bond of union the two allies remained entirely separate.
He had not told his people yet of the double bond which he designed to make between the two houses.
double bond n.
A covalent bond in which two electron pairs are shared between two atoms.
A type of covalent bond in which two electron pairs are shared between two atoms. Each atom contributes two electrons to the bond. See more at covalent bond.