xanthochroism

xanthochroism
\\zanˈthäkrəˌwizəm\ noun (-s)
Etymology: New Latin xanthochroia yellow skin discoloration (from Greek xanthochroos xanthochroous + New Latin -ia) + English -ism
1. : abnormal coloration of feathers (as in some parrots) in which yellow replaces the normal color
2. : a genetic variation in various vertebrates characterized by local or general absence of black and brown pigment with normal development of the red and golden pigments (as of skin or feathers) resulting in a yellow to reddish coloration

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xanthochroism /-thokˈrō-izm/ noun
A condition in which all pigments other than yellows disappear, as in goldfish, or in which normal colouring is replaced by yellow
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Main Entry: ↑xanth-

Useful english dictionary. 2012.

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  • Xanthochroism — Xan*thoch ro*ism, n. Abnormal coloration of feathers in which yellow replaces the normal color, as in certain parrots. It is commonly due to lack of the dark pigment which with yellow forms green. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

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