Diphenyl
Pronunciation : Di*phe"nyl
Part of Speech : n.
Etymology : [Pref. di- + phenyl.] (Chem.)
Definition : Defn: A white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united.
Source : Webster's Unabridged Dictionary, 1913