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Definition of acardiac in English:

acardiac

Pronunciation /eɪˈkɑːdɪak/

adjective

Medicine Anatomy

  • Especially of one of a pair of monochorionic or conjoined twins: lacking a heart.

Origin

Mid 19th century; earliest use found in Marshall Hall (1790–1857), physician and neurophysiologist. From Hellenistic Greek ἀκάρδιος without a heart (from ancient Greek ἀ + καρδία heart) + -ac, after acardia and cardiac.