| 单词 | bifacial |
| 释义 | bifacial[ bahy-fey-shuhl ] / baɪˈfeɪ ʃəl / adjectivehaving two faces or fronts. Archaeology. having the opposite surfaces alike, as some tools. Origin of bifacialFirst recorded in 1880–85; bi-1 + facial OTHER WORDS FROM bifacialbi·fa·cial·ly, adverbWords nearby bifacialBiernacki's sign, Bier's method, Bierstadt, bierstube, biestings, bifacial, bifarious, biff, biffer, BIFFEX, biffin Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for bifacialbifacial / (baɪˈfeɪʃəl) / adjectivehaving two faces or surfaces botany (of leaves, etc) having upper and lower surfaces differing from each other archaeol (of flints) flaked by percussion from two sides along the chopping edge Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for bifacialbifacial [ bī-fā′shəl ] Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.♦ Bifacial tools are known as a bifaces and include such early core tools as hand axes and cleavers as well as later flake tools such as blades and spear or arrow points. Compare unifacial. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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