phycoxanthin

from The Collaborative International Dictionary of English v.0.48

Phycoxanthin \Phy`co*xan"thin\, Phycoxanthine
\Phy`co*xan"thine\, n. [Gr. fy^kos seaweed + ? yellow.]
   A yellowish coloring matter found in certain algae.
   [1913 Webster]