# topology

## noun

to·pol·o·gy
tə-ˈpä-lə-jē

tä-

plural topologies

1

**:**topographic study of a particular place

specifically

**:**the history of a region as indicated by its topography2

a(1)

**:**a branch of mathematics concerned with those properties of geometric configurations (such as point sets) which are unaltered by elastic deformations (such as a stretching or a twisting) that are homeomorphisms

(2)

**:**the set of all open subsets of a topological space

b

**:**configuration

topology of a molecule

topology of a magnetic field

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Merriam-Webster unabridged
## Share