Definition of "unifacial" []

• Having, presenting, or oriented toward a single face. (adjective)
• Archaeology Flaked in such a way as to produce a cutting edge that is sharp on one side only. Used of a stone tool. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A team led by Michael R. Waters of Texas A&M University used thermoluminescence dating to estimate the ages of layers above and below one containing stone flakes and a few rocks resembling simple tools known as unifacial choppers."
• "Sally McBrearty. fi ned to the periphery (Mason, 1962) .7 A common form is a long foliate unifacial point with ventral bulbar reduction."