Definition of automorphism in English:

automorphism

noun

rare
  • 1Mathematics
    Mathematics. A transformation or correspondence that relates a set, space, etc., to itself; specifically an isomorphism of a structure with itself. Now rare.

  • 2The attribution of one's own characteristics to another; an instance of this. Now rare.

Origin

Mid 19th century. From auto- + -morphism.

Pronunciation

automorphism

/ˌɔːtə(ʊ)ˈmɔːfɪz(ə)m/