The Collaborative International Dictionary
Polychloride
Polychloride \Pol`y*chlo"ride\, n. [Poly- + chloride.] (Chem.) A chloride containing more than one atom of chlorine in the molecule.
Wiktionary
polychloride
a. (context chemistry English) (''of a molecule or ion'') containing three or more chlorine atoms n. (context chemistry English) A molecule or ion containing three or more chlorine atoms