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Webster 1913 Edition

Adj.

[

Uni-

facial

Having but one front surface;

as, some foliaceous corals are

unifacial

, the polyp mouths being confined to one surface

unifacial ‎(not comparable)

Having, or showing, a single face.
Having only one principal or specialized surface or edge.
Some foliaceous corals are unifacial, the polyp mouths being confined to one surface.
Cylindrical.