English Etymology From mal- + formation. Pronunciation Audio (US):(file) Noun malformation (countable and uncountable, plural malformations) An abnormal formation. (teratology) An abnormal developmental feature of offspring. Derived terms arteriovenous malformation Chiari malformation Arnold-Chiari malformation Translations abnormal formation Bulgarian: деформация (bg) f (deformacija) French: malformation (fr) f Greek: διαμαρτία (el) f (diamartía), δυσμορφία (el) f (dysmorfía) Irish: míchuma f, anchuma f, éagruth m, mídhéanamh m Italian: malformazione (it) f Norwegian: Bokmål: misdannelse m Piedmontese: malformassion f Portuguese: malformação (pt) f, má-formação f Spanish: malformación (es) f (teratology) abnormal developmental feature of offspring Bulgarian: уродливост (bg) f (urodlivost) French: malformation (fr) f, difformité (fr) f Greek: διαμαρτία (el) f (diamartía) Indonesian: malformasi, malaformasi Portuguese: malformação (pt) f, má-formação f Spanish: malformación (es) f See also deformation French Pronunciation Audio:(file) Noun malformation f (plural malformations) malformation Further reading “malformation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.Wikiwand - on Seamless Wikipedia browsing. On steroids.