melanism

C2 Topic:Animals
US /ˈmɛlənɪzəm/ UK /ˈmɛlənɪzəm/
noun Freq #702312

Meanings

  1. 1
    noun

    an unusually high amount of dark melanin pigment in an animal or person, making the skin, fur, feathers, or eyes darker than usual

    Melanism gave the moths a much darker appearance than the typical form.

Thesaurus

Synonyms
1 noun · an unusually high amount of... melanosisdark pigmentation
Opposites
albinismdepigmentation
Word family
Derived forms melanistic
Related forms melaninpigmentation

Etymology

From French melanisme, built from Greek melas, melanos ("black, dark") and -ism. The biological term names a condition or inherited tendency involving unusually abundant melanin, in contrast with albinism.

Topics

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