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Collins

melanism

  

      n  
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  
  melanistic      adj  


industrial melanism  
      n      See       melanism       1  
Dictionnaire anglais Collins English definition-Thesaurus  
Collins
melanosis   , melanism         
      n     (Pathol)   a skin condition characterized by excessive deposits of melanin  
  melanotic      adj  


industrial melanism  
      n      See        melanism              1  
melanism         
      n  
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  
  melanistic      adj  

Dictionnaire anglais Collins English definition-Thesaurus  

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