urobilin

British

/ ˌjʊərəʊˈbaɪlɪn /

noun

a brownish pigment found in faeces and sometimes in urine. It is formed by oxidation of urobilinogen , a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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“Urobilinogen then spontaneously degrades into a molecule called urobilin, which is responsible for the yellow color we are all familiar with.”

From Salon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023