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bilirubin

[bil-uh-roo-bin, bil-uh-roo-bin]
noun Biochemistry.
  1. a reddish bile pigment, C33H36O6N4, resulting from the degradation of heme by reticuloendothelial cells in the liver: a high level in the blood produces the yellow skin symptomatic of jaundice.
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Origin of bilirubin

< German Bilirubin (1864), equivalent to Latin bīli(s) bile + rub(er) red + German -in -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of bilirubin


British Dictionary definitions for bilirubin

bilirubin

noun
  1. an orange-yellow pigment in the bile formed as a breakdown product of haemoglobin. Excess amounts in the blood produce the yellow appearance associated with jaundice. Formula: C 32 H 36 O 6 N 4
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Word Origin for bilirubin

C19: from bile 1 + Latin ruber red + -in
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

Word Origin and History for bilirubin

n.

"reddish pigment found in bile," 1871, from German bilirubin (1864), from bili- (see bile) + Latin ruber "red" (see red (1)) + -ine (2).

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Online Etymology Dictionary, © 2010 Douglas Harper

bilirubin in Medicine

bilirubin

(bĭl′ĭ-rōōbĭn, bĭlĭ-rōō′-)
n.
  1. A red bile pigment derived from the degradation of hemoglobin during the normal and abnormal destruction of red blood cells.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

bilirubin in Science

bilirubin

[bĭl′ĭ-rōōbĭn]
  1. A reddish-yellow pigment that is a constituent of bile and gives it its color. Bilirubin is a porphyrin derived from the degradation of heme. It is often a constituent of gallstones, and also causes the skin discoloration seen in jaundice. Chemical formula: C33H36N4O6.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.