Definition of dysmorphism in US English:

dysmorphism

noun

Medicine
  • Malformation or deformity, especially as a congenital condition of the face or head.

Origin

1960s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From dys- + -morphism.

Pronunciation

dysmorphism

/dɪsˈmɔːfɪz(ə)m/