(mathematics, uncountable) The branch of mathematics dealing with spatial relationships.

plural of geometry

geometrical

(geometry, uncountable) The branch of geometry dealing with what can be deduced in Euclidean geometry when the notions of line length and angle size are ignored.

(geometry) A non-Euclidean geometry in which the distance between two points is the sum of the absolute differences between their corresponding coordinates.

(geometry) The familiar geometry of the real world, based on the postulate that through any two points there is exactly one straight line.

The study of figures having parts that lie in a singular plane.

(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.

The geometry of empty spacetime around a rotating uncharged axially-symmetric black hole with a spherical event horizon.

A graphical protocol which creates three-dimensional virtual space on a two-dimensional plane.