| ANTHOXANTHIN | • anthoxanthin n. (Biochemistry) Any of a group of water-soluble flavonoid pigments found in plants. • ANTHOXANTHIN n. a yellow pigment in plants. |
| ASTAXANTHINS | • astaxanthins n. Plural of astaxanthin. |
| EXANTHEMATIC | • exanthematic adj. Of or pertaining to exanthem. • EXANTHEMATIC adj. of or like an exanthem, a skin eruption, esp. accompanied by fever, also EXANTHEMATOUS. |
| FUCOXANTHINS | • fucoxanthins n. Plural of fucoxanthin. • FUCOXANTHIN n. a brown carotenoid pigment occurring esp. in the chloroplasts of brown algae. |
| HAPAXANTHOUS | • hapaxanthous adj. Being or relating to a hapaxanth. • HAPAXANTHOUS adj. monocarpous, also HAPAXANTHIC. |
| HYPOXANTHINE | • hypoxanthine n. (Organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis… • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation. |
| PHYCOXANTHIN | • phycoxanthin n. (Dated) A yellowish colouring matter found in certain algae. • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. |
| XANTHOCHROIA | • xanthochroia n. (Pathology) A condition characterized by yellow patches on the skin. • XANTHOCHROIA n. yellowness of the skin. |
| XANTHOCHROIC | • xanthochroic adj. Pertaining to people or races with light hair and pale complexions. • XANTHOCHROIC adj. exhibiting xanthochroism, a condition in which all pigments other than yellow disappear, also XANTHOCHROOUS. |
| XANTHOCHROID | • xanthochroid adj. (Anthropology) Pertaining to the Xanthochroi; having fair hair and a pale complexion. • xanthochroid n. (Anthropology) A member of the Xanthochroi. • XANTHOCHROID n. a blond-haired and blue eyed person with fair white skin. |
| XANTHOMATOUS | • xanthomatous adj. Of or relating to xanthoma or xanthomatosis. • XANTHOMATOUS adj. of or like a xanthoma, a skin disease marked by the development or irregular yellowish patches upon the skin. |
| XANTHOPHYLLS | • xanthophylls n. Plural of xanthophyll. • XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL. |
| XANTHOPTERIN | • xanthopterin n. A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals… • XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE. |
| ZOOXANTHELLA | • zooxanthella n. (Archaic) Any of the yellow pigmentary particles, or minute corpuscles of yellow coloring matter, found… • zooxanthella n. Any of various typically yellow-brown dinoflagellates (originally grouped as genus Zooxanthella) now… • ZOOXANTHELLA n. a symbiotic dinoflagellate of the genus Symbiodinium that lives in the tissues of a number of marine invertebrates and protists. |