topology

noun (plural topologies)

• 1 [mass noun] Mathematics the study of geometrical properties and spatial relations unaffected by the continuous change of shape or size of figures.
• [count noun] a family of open subsets of an abstract space such that the union and the intersection of any two of them are members of the family, and which includes the space itself and the empty set.

• 2the way in which constituent parts are interrelated or arranged:the topology of a computer network