Definify.com

Webster 1913 Edition

Noun.

[L.

stercus

dung + E.

bilin

(Physiol. Chem.)

A coloring matter found in the faeces, a product of the alteration of the bile pigments in the intestinal canal, – identical with

hydrobilirubin

stercobilin ‎(uncountable)

(biochemistry) A tetrapyrrolic bile pigment, one of the end products of heme catabolism, responsible for the brown colour of human faeces.