phenanthrene Syllabification: (phe·nan·threne)Pronunciation: /fəˈnanTHrēn/Definition of phenanthrene noun Chemistry a crystalline hydrocarbon present in coal tar, used especially in making dyes and synthetic drugs. A tricyclic compound: chemical formula: C14H10 phenanthrene in other Oxford dictionaries Definition of phenanthrene in the British & World English dictionary
