topology

n. non-quantitative geometry, branch of mathematics dealing with geometric configurations that remain unchanged by stretching bending or twisting (Mathematics)

Topology (Greek topos, "place," and logos, "study") is a branch of mathematics that is an extension of geometry. Topology begins with a consideration of the nature of space, investigating both its fine structure and its global structure. Topology builds on set theory, considering both sets of points and families of sets.
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Noun
1. topographic study of a given place (especially the history of place as indicated by its topography); "Greenland's topology has been shaped by the glaciers of the ice age"
(hypernym) topography
2. the study of anatomy based on regions or divisions of the body and emphasizing the relations between various structures (muscles and nerves and arteries etc.) in that region
(synonym) regional anatomy, topographic anatomy
(hypernym) anatomy, general anatomy
3. the branch of pure mathematics that deals only with the properties of a figure X that hold for every figure into which X can be transformed with a one-to-one correspondence that is continuous in both directions
(synonym) analysis situs
(hypernym) pure mathematics
(classification) mathematics, math, maths
4. the configuration of a communication network
(synonym) network topology
(hypernym) configuration, constellation
(hyponym) bus topology, bus

(n.)
The art of, or method for, assisting the memory by associating the thing or subject to be remembered with some place.
  

See network topology.