from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A colourless product of bilirubin reduction, formed in the intestines by bacterial action.

from The Century Dictionary and Cyclopedia

  • n. The colorless mother-substance or chromogen of urobilin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine


urobilin +‎ -o- +‎ -gen (Wiktionary)



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