An instrument for drawing geometric curves, in which the movements of a pen or pencil attached to a revolving arm of adjustable length may be indefinitely varied by changing the toothed wheels which give motion to the arm.

An instrument for engraving banknotes, etc., with complicated patterns of interlacing lines.

plural of geometric progression

Kartvelian studies

The first republic on the territory of Georgia, which existed from May 1918 to February 1921.

The republic of Georgia when it was a nominally independent member republic of the Union of Soviet Socialist Republics.

(geometry) A type of geometry that rejects the parallel postulate. Given a straight line L and a point P not on the line, more than one straight line can be drawn through P without intersecting L.

(informal) Georgia Institute of Technology

plural of geobag

(geometry) The branch of geometry concerned with inversion transformations, specifically circle inversions in the Euclidean plane, but also as generalised in non-Euclidean and higher-dimensional spaces.