unifacial

American  

[yoo-nuh-fay-shuhl] / ˌju nəˈfeɪ ʃəl /

adjective

1. having or presenting only one face.

2. Archaeology. (of a stone tool) having a cutting edge only on one side.

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unifacial Scientific  

/ yo̅o̅′nə-fā′shəl /

1. Flaked in such a way as to produce a cutting edge that is sharp on one side only. Used of a stone tool.

2. ◆ Unifacial tools are known as a unifaces and include early core tools such as choppers as well as later flake tools such as scrapers and adzes.

3. Compare bifacial

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