Definition of "Topology" :
noun: the configuration of a communication network
noun: 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
noun: 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
noun: topographic study of a given place (especially the history of the place as indicated by its topography)
"Greenland's topology has been shaped by the glaciers of the ice age."