A term used to describe a point or tool that is worked or finished or knapped on only one side or face. When used to describe a projectile cross-section it means a projectile that has one flat side and one excurvate or rounded side similar to one half of an ellipse.

a stone artifact flaked only on one surface.

Development software that interacts with CASE tools on MAC and Windows.

Uniface is a 4 GL RDBMS Rapid Application Development (RAD) environment owned and maintained now by Compuware but originally developed in Amsterdam by Unidata who later changed their name to UnifAce. Originally developed in the C (programming language) on the VMS platform with an Oracle database; this is still apparent in the special keys and defaults used.