Definitions for: Bilirubin

[n] an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice

Webster (1913) Definition: Bil`i*ru"bin, n. [L. bilis biel + ruber red.]
(Physiol.)
A reddish yellow pigment present in human bile, and in that
from carnivorous and herbivorous animals; the normal biliary
pigment.

Synonyms: haematoidin, hematoidin

See Also: animal pigment