The Collaborative International Dictionary of English v.0.48:
Diterebene \Di*ter"e*bene\, n. [Pref. di- + terebene.] (Chem.) See Colophene. DithecalThe Collaborative International Dictionary of English v.0.48:
Colophene \Co"lo*phene\ (? or ?), n. (Chem.) A colorless, oily liquid, formerly obtained by distillation of colophony. It is regarded as a polymeric form of terebenthene. Called also diterebene. [1913 Webster]