Ser"o*lin (?), 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.