What does melanism mean?
Melanism is a phenomenon where an organism develops an excess of melanin, resulting in darker or more intense coloration. This can occur in animals, plants, or other organisms, and is often a result of genetic or environmental factors. Melanism can provide adaptive benefits, such as camouflage or protection from the sun, but can also be a result of disease or injury. In some cases, melanism can be a desirable trait, such as in the case of the peppered moth, which developed darker coloration to blend in with the darkened tree bark during the Industrial Revolution. Melanism is an important area of study in fields such as biology, ecology, and evolution.
A condition or trait characterized by an excess of melanin.
"The melanism in the peppered moth allowed it to blend in with the darkened tree bark during the Industrial Revolution."
Melanism can provide adaptive benefits, such as camouflage or protection from the sun.
A specific instance or example of melanism.
"The melanism in the skin of the patient was a result of a genetic disorder."
Melanism can be a result of disease or injury.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of melanism
The word 'melanism' comes from the Greek words 'melas', meaning 'black', and 'ismos', meaning 'condition' or 'trait'. The term was first used in the 19th century to describe the condition of excess melanin in animals.
Usage notes
Melanism is often used in scientific and technical contexts to describe the condition of excess melanin. It can also be used in more general contexts to describe any instance of darkening or intensification of color.