u·ni·fa·cial (y  n -f  shl)adj. 1. Having, presenting, or oriented toward a single face. 2. Archaeology Flaked in such a way as to produce a cutting edge that is sharp on one side only. Used of a stone tool. u ni·facial·ly adv. |
| unifacial (yn-fshl) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. |  unifacial - having but one principal or specialized surface; "a primitive unifacial flint tool"unidirectional - operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem" |
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