melanism
Noun
Meaning
An undue development of dark-colored pigment in the skin or its appendages; -- the opposite of albinism.
A disease; black jaundice. See Mel/na.
Source: Webster's dictionarySynonyms
Antonyms
Hypernyms
Examples
Jonathan Wells is one of a number of creationists who have criticized the use of peppered moth melanism as an example of evolution in action.
It is thought that melanism may confer a selective advantage under certain conditions since it is more common in regions of dense forest, where light levels are lower.
Jaguars with melanism appear entirely black, although their spots are still visible on close examination.
This has led to the coining of the term "industrial melanism " to refer to the genetic darkening of species in response to pollutants.