Meaning of cardiolipin

car•di•o•lip•in

Pronunciation: (kär"dē-ō-lip'in), [key]
— n. Biochem.
  1. a lipid purified from bovine heart and used as an antigen for reacting with reagin, the Wassermann antibody, in the Wassermann diagnostic test for syphilis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.