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unifacial

unifacial in Science
unifacial
  (y'nə-fā'shəl)   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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