单词	biface
释义	biface /ˈbʌɪfeɪs / noun Archaeology A type of prehistoric stone implement flaked on both faces.The stone tools included 16 bifaces, one uniface side scraper, 16 modified flakes, and six cores.... Our data indicate that much of the jasper was carried away from the quarry as potential flake tools, flake blanks, and bifaces. In general, these are relatively thick and crudely flaked lanceolate bifaces with slightly expanding stems.
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