Paraxanthin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Paraxanthin \Par`a*xan"thin\, n. [Pref. Para- + xanthin.]
     (Physiol. Chem.)
     A crystalline substance closely related to xanthin, present
     in small quantity in urine.
     [1913 Webster]