from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The yellow pigment responsible for the color of urine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
from the GNU version of the Collaborative International Dictionary of English
- n. 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 The Century Dictionary and Cyclopedia
- n. A yellow pigment of the urine.
Sorry, no etymologies found.