bifacial

bi·fa·cial  (b-fshl)

adj.

1. Having two faces, fronts, or façades.

2. Having two opposing surfaces that are alike.

3. Archaeology Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.

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bi·facial·ly adv.

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bifacial [baɪˈfeɪʃəl]

adj

1. having two faces or surfaces

2. (Life Sciences & Allied Applications / Botany) Botany (of leaves, etc.) having upper and lower surfaces differing from each other

3. (Social Science / Archaeology) Archaeol (of flints) flaked by percussion from two sides along the chopping edge

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bifacial  (b-fshl)

Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool. Bifacial tools are known as a bifaces and include such early core tools as hand axes and cleavers as well as later flake tools such as blades and spear or arrow points. Compare unifacial.

Thesaurus

Adj.

1.

bifacial - having two faces or fronts; "the Roman Janus is bifacial" biface bidirectional - reactive or functioning or allowing movement in two usually opposite directions