n.
A reddish-yellow bile pigment, C33H36N4O6, derived from the degradation of heme.
[Latin bīlis, bile + ruber, red + -IN.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.