bifacial
Use Bifacial in a sentence
ʃəl adjective
1.
having two faces or fronts.
2.
Archaeology. having the opposite surfaces alike, as some tools.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To bifacial
Collins
World English Dictionary
bifacial (baɪˈfeɪʃəl) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| 1. | having two faces or surfaces |
| 2. | botany (of leaves, etc) having upper and lower surfaces differing from each other |
| 3. | archaeol (of flints) flaked by percussion from two sides along the chopping edge |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Bifacial
is always a great word to know.
So is ninnyhammer. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a fool or simpleton; ninny. |
American Heritage
Science Dictionary
| bifacial (bī-fā'shəl) Pronunciation Key
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
They were all bifacial, meaning the toolmakers had knocked chips off of both sides of the stone to shape it.
Moreover, the overall small size of the flakes is consistent with producing bifacial tools the size of arrow points.
Examples include bifacial cells and holographic concentrators.
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