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

plural of geometry

geometrical

(mathematics, geometry) The branch of differential geometry that concerns Riemannian manifolds; an example of a geometry that involves Riemannian manifolds. / Elliptical or spherical geometry.

(geometry) The subbranch of geometry that investigates geometrical figures via the mathematical properties of their representations in a coordinate system.

(geometry, mathematical analysis) The study of geometry, especially geometric structures on differentiable manifolds, using techniques from calculus, linear algebra and multilinear algebra.

(mathematics) A recent branch of geometry that can be described as a piecewise linear version of real algebraic geometry.

(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.

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