[noun] - the condition of being wrongly formed, or a part of something, esp. a part of the body, that is wrongly formedExposure to radiation can lead to malformation of the embryo. [U]She was born critically ill with a severe malformation of the heart. [C]
MALFORMATION
Meaning of MALFORMATION in English
Cambridge English vocab. Кембриджский английский словарь. 2012