erythrism definition

  • noun:
    • uncommon red coloration, by hair or plumage.
    • unusual red colouration.
    • a disorder of excessive redness. See erythrochroism.
    • In ornithology, an ailment of dichromatism described as more than purple pigment inside plumage of birds which are generally brown, gray, etc.
    • In anthropology, redness of tresses, generally speaking coupled with light complexion.
    • In zoology, the presumption of red in pets, as opposed to their particular ordinary coloration.

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