bifacial

[ bahy-fey-shuh l ]
/ baɪˈfeɪ ʃəl /

adjective

having two faces or fronts.
Archaeology. having the opposite surfaces alike, as some tools.

Origin of bifacial

First recorded in 1880–85; bi-1 + facial

OTHER WORDS FROM bifacial

bi·fa·cial·ly, adverb

British Dictionary definitions for bifacial

bifacial
/ (baɪˈfeɪʃəl) /

adjective

having 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

Scientific definitions for bifacial

bifacial
[ bī-fāshəl ]

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.