Definition of industrial melanism in English:

industrial melanism

Line breaks: in|dus|trial mel¦an|ism

noun

[mass noun] Zoology
  • The prevalence of dark-coloured varieties of animals (especially moths) in industrial areas where they are better camouflaged than paler forms.
    More example sentences
    • A change in the direction of selective effect on a mutation is unusual, though there are some well-documented cases, such as industrial melanism in moths.
    • Recent reports exaggerate the death of industrial melanism as an exemplar of natural selection.
    • For 50 years, this interpretation of industrial melanism was just a theory, until an amateur lepidopterist went into the countryside to prove it.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody