%serolin%

n. [ Serum + L. oleum oil. ] (Physiol. Chem.) (a) A peculiar fatty substance found in the blood, probably a mixture of fats, cholesterin, etc. (b) A body found in fecal matter and thought to be formed in the intestines from the cholesterin of the bile; -- called also stercorin, and stercolin. [ 1913 Webster ]