homotopy

homotopy [huh-mot-uh-pee, hoh-] Word Origin noun, plural ho·mot·o·pies. Mathematics.

1. the relation that exists between two mappings in a topological space if one mapping can be deformed in a continuous way to make it coincide with the other.

Origin of homotopy 1915–20; homo- + -topy (Greek tóp(os) place + -y3, or New Latin -topia)