1. plural of melanin; dark pigments found in skin, hair, and eyes that determine coloration and provide protection from ultraviolet radiation
Usage: biology; biochemistry

Examples

• Different types of melanins produce various shades of brown and black in human hair.
• The researcher studied how melanins protect skin cells from sun damage.
• Birds display brilliant colors due to both melanins and other pigments in their feathers.
• Scientists can extract melanins from various biological samples for analysis.
• The production of melanins increases when skin is exposed to sunlight.
• Certain genetic conditions affect how the body produces melanins.