refers to such properties of geometric figures as adjacency that are not altered by distortion as long as the surface is not torn.

S: (adj) topological, topologic (of or relating to topology

(adj.) In 3-D modeling, a term that refers to the connectivity of the model, that is, how the elements of the object (i.e., the faces, edges, and vertices) are organized. Geometry specifies where elements are located in space and how they are shaped; topology describes how these elements are connected to each other.