• Webster's Revised Unabridged Dictionary
    • n Bilifuscin (Physiol) A brownish green pigment found in human gallstones and in old bile. It is a derivative of bilirubin.
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Century Dictionary and Cyclopedia
    • n bilifuscin A substance described as existing in very small quantities in gallstones. It is of a dark-green color, insoluble in water, chloroform, and ether, soluble in alcohol and alkalis, and reacts with nitric acid like bilirubin. Its formula is C16H20N2O4.
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Webster's Revised Unabridged Dictionary
L. bilis, bile + fuscus, dark