bifacial Syllabification: (bi·fa·cial)Pronunciation: /bīˈfāSHəl/Definition of bifacial adjective having two faces, in particular. Botany (of a leaf) having upper and lower surfaces that are structurally different. Archaeology (of a flint or other artifact) worked on both faces. bifacial in other Oxford dictionaries Definition of bifacial in the British & World English dictionary
