acardia
/eɪˈkɑːdɪə/Medicine and Anatomy
noun
Congenital absence of the heart, usually accompanied by other malformations and typically occurring in one of a pair of monochorionic or conjoined twins.
Origin
Mid 19th century; earliest use found in Edinburgh Medical and Surgical Journal. From scientific Latin acardia from ancient Greek ἀ + καρδία heart. Compare French acardie.