Definitions

from The Century Dictionary.

  • noun The brown coloring matter of the feces.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol. Chem.) A coloring matter found in the fæces, a product of the alteration of the bile pigments in the intestinal canal, -- identical with hydrobilirubin.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

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Examples

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  • "Bile comes from your gall bladder and helps your body digest food," said Anish Sheth, M.D., assistant professor at Yale Medical School and author of the book What's Your Poo Telling You? "It's metabolized by the bacteria in your large intestine, leaving behind a byproduct called stercobilin—and it's that stercobilin that gives stool a brown pigment.”

    Without stercobilin, poo would be a sort of pale, off-gray color, like white clay.

    February 15, 2015