homeomorphismPronunciation: /ˌhɒmɪə(ʊ)ˈmɔːfɪz(ə)m, ˌhəʊm-/Definition of homeomorphism noun Mathematics an instance of topological equivalence. Derivatives homeomorphic adjective Origin:from Greek homoios 'like' + morphē 'form' + -ismhomeomorphism in other Oxford dictionaries Definition of homeomorphism in the US English dictionary