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melanism

[ mel-uh-niz-uhm ]

noun

  1. Ethnology. the condition in human beings of having a high amount of melanin granules in the skin, hair, and eyes.
  2. Zoology. the condition in which an unusually high concentration of melanin occurs in the skin, plumage, or pelage of an animal.


melanism

/ ˈmɛləˌnɪzəm /

noun

  1. the condition in man and animals of having dark-coloured or black skin, feathers, etc. Industrial melanism is the occurrence of dark varieties of animals, esp moths, in smoke-blackened industrial regions, in which they are well camouflaged
  2. another name for melanosis


melanism

/ mĕlə-nĭz′əm /

  1. Dark coloration of the skin, hair, fur, or feathers because of a high concentration of melanin.


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Derived Forms

  • ˌmelaˈnistic, adjective

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Other Words From

  • mela·nistic adjective

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Word History and Origins

Origin of melanism1

First recorded in 1835–45; melan- + -ism

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Example Sentences

On the other hand, melanism, or a tendency to the production of dark or even black forms, reveals itself.

Melanism is rather more common in the case of the male sex than in the female sex.

Only one case of melanism was observed among all the specimens of both species examined.

Melanism: an abnormal or unusual darkening: a suffusion with blackish.

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Melanippusmelanite