xanthophyll Xanthophyceae • xanthophyllite · · · Info · Definitions · Synonyms · Characters · · xanthophyll · · Text Latin · · Script 11 · · Length Definitions · · · (noun) yellow carotenoid pigments in plants and animal fats and egg yolks. Synonyms: xanthophyl, lutein. · · Noun Definition 1 Synonyms · · · xanthophyl · · Synonym 1 lutein · · Synonym 2 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 x latin small letter x U+0078 y latin small letter y U+0079