the condition of being faulty or abnormal in form or shape a deformity in the shape or structure of a part, esp when congenital
WordReference Random House Learner's Dictionary of American English © 2026
mal•for•ma•tion /ˌmælfɔrˈmeɪʃən, -fɚ-/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Pathologyimproper formation:braces for malformation of the teeth.
mal•for•ma•tion
(mal′fôr mā′shən, -fər-),USA pronunciation n.
- Pathologyfaulty or anomalous formation or structure, esp. in a living body:malformation of the teeth.
- mal- + formation 1790–1800
Collins Concise English Dictionary © HarperCollins Publishers::
'malformation' also found in these entries (note: many are not synonyms or translations):
bull nose
- chicken breast
- fistula
- hip dysplasia
- hydrocephalus
- monster
- normal
- operation
- oxycephaly
- scurvy
- tetralogy of Fallot