biface tool

biface tool

[′bī‚fās ′tül]
(design engineering)
A tool, as an ax, made from a coil flattened on both sides to form a V-shaped cutting edge.
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References in periodicals archive ?
So far, the Northern Land Use crews have found a hammer stone, a biface tool that could have been either a knife or a projectile, and some other small fragments left behind by people years ago, he said, showing the bagged and tagged artifacts in the basement of the Denali Tok office.