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unifacial in Science

unifacial

[yōō′nə-fāshəl]
  1. Flaked in such a way as to produce a cutting edge that is sharp on one side only. Used of a stone tool.♦ Unifacial tools are known as a unifaces and include early core tools such as choppers as well as later flake toolssuch as scrapers and adzes. Compare bifacial.
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