topology

noun, plural to·pol·o·gies for 3. Mathematics.

1. the study of those properties of geometric forms that remain invariant under certain transformations, as bending or stretching.
2. Also called point set topology. the study of limits in sets considered as collections of points.
3. a collection of open sets making a given set a topological space.

noun

1. the branch of mathematics concerned with generalization of the concepts of continuity, limit, etc
2. a branch of geometry describing the properties of a figure that are unaffected by continuous distortion, such as stretching or knottingFormer name: analysis situs
3. maths a family of subsets of a given set S, such that S is a topological space
4. the arrangement and interlinking of computers in a computer network
5. the study of the topography of a given place, esp as far as it reflects its history
6. the anatomy of any specific bodily area, structure, or part

n.

1610s (implied in topological), from topo-, comb. form of Greek topos “place” (see topos) + -logy.

1. The mathematical study of the geometric properties that are not normally affected by changes in the size or shape of geometric figures. In topology, a donut and a coffee cup with a handle are equivalent shapes, because each has a single hole.