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Define the word Xanthophyll

"Xanthophyll" gcide "The Collaborative International Dictionary of English v.0.48"

Xanthophyll \Xan"tho*phyll\, n. [Xantho- + Gr. fy`llon leaf.]
   (Bot.)
   A yellow coloring matter found in yellow autumn leaves, and
   also produced artificially from chlorophyll; -- formerly
   called also phylloxanthin.
   [1913 Webster]

"xanthophyll" wn "WordNet (r) 2.0"

xanthophyll
     n : yellow carotenoid pigments in plants and animal fats and egg
         yolks [syn: xanthophyl, lutein]