-ˌfizəm noun
( -s )
Etymology: International Scientific Vocabulary homeomorph ous + -ism
1. : a near similarity of crystalline forms between unlike chemical compounds — compare heteromorphism 2
2. : a function that is a one-to-one mapping between sets such that both the function and its inverse are continuous and that in topology exists for geometric figures which can be transformed one into the other by an elastic deformation