xanthochroism
noun
xan·thoch·ro·ism
| \ zanˈthäkrəˌwizəm\
plural -s
Definition of xanthochroism
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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