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Results for bifacial:

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SYNONYMS OR RELATED TERMS: bifacial; handaxe; coup-de-poing
CATEGORY: lithics
DEFINITION: A type of prehistoric stone tool flaked on both faces or sides, the main tool of Homo erectus. The technique was typical of the hand-ax tradition of the Lower Paleolithic period and the Acheulian cultures. Biface may be oval, triangular, or almond-shaped in form and characterized by axial symmetry, even if marks made by use are more plentiful on one face or on one edge. The cutting edge could be straight or jagged and the tool used as a pick, knife, scraper, or even weapon. Only in the most primitive tools was flaking done to one side only.
CATEGORY: artifact
DEFINITION: On both ventral and dorsal sides
bifacial blank
CATEGORY: lithics
DEFINITION: A biface in the early stages of production displaying only percussion flaking and no evidence of pressure flaking. In many cases, blanks were traded and/or transported from their area of origin and subsequently used as bifacial cores from which flake blanks were detached for production of dart or arrow points.
bifacial core
CATEGORY: lithics
DEFINITION: A core that has had flakes removed from multiple faces; may be mistaken for a large biface blank.
bifacial flaking
CATEGORY: artifact
DEFINITION: The manufacture of a stone artifact by removing flakes from both faces.
bifacial foliate
CATEGORY: lithics
DEFINITION: A class of artifact comprised of leaf-shaped stone tools with complete or nearly complete flaking on both sides.
bifacial retouch
CATEGORY: lithics
DEFINITION: Retouch flaking that occurs on both ventral and dorsal sides of an edge.
bifacial thinning flake
CATEGORY: artifact
DEFINITION: A flake removed during the thinning or resharpening of bifaces. These flakes are relatively flat, have broad, shallow flake scars (produced by the detachment of previous thinning flakes from the dorsal face), and tend to exhibit a feathering out of lateral margins. The proximal end of the flake often retains the edge of the biface and, if the platform is retained, it often exhibits a low angle and evidence of crushing or grinding (i.e., platform preparation).
bifacially worked
SYNONYMS OR RELATED TERMS: bifacial working (n.)
CATEGORY: artifact
DEFINITION: Pertaining to an artifact that has been flaked on both sides.

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