Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The yellow pigment that determines the color of urine.

from The Century Dictionary.

  • noun A yellow pigment of the urine.

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

  • noun (Physiol. Chem.) A yellow urinary pigment, considered by Thudichum as the only pigment present in normal urine. It is regarded by Maly as identical with urobilin.

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

  • noun biochemistry A pigment that causes the yellow color in urine. It is a breakdown product of the blood's haemoglobin and is removed by the kidneys.

Etymologies

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Examples

  • The yellow pigment of milk whey; its probable identity with urochrome, the specific yellow pigment of normal urine.

    The Vitamine Manual Walter H. Eddy

  • If you are well hydrated, normal urine is clear and pale yellow, a color imparted by the pigment urochrome.

    NYT > Home Page By JANE E. BRODY 2012

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