Meaning & Definition of word "Melanin"
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Melanin
/ˈmɛləˌnɪn/
noun:
- 1. A complex polymer derived from the amino acid tyrosine, responsible for the pigmentation of skin, hair, and eyes in organisms.
- Example: The amount of melanin in a person's skin determines their natural skin tone.
- 2. A protective substance in the skin that helps to block ultraviolet (UV) radiation from the sun.
- Example: Higher melanin levels can provide some degree of protection against sunburn and skin cancer.
- 3. In animals, melanin is found in various tissues, contributing to coloration and serving various biological functions.
- Example: Many bird species exhibit vibrant colors due to different types of melanin in their feathers.
- 4. A pigment found in various organisms, including plants, fungi, and bacteria, often related to their ecological adaptations.
- Example: Certain fungi produce melanin as a protective mechanism against environmental stress.
Etymology
Derived from the Greek word 'melas', meaning 'black'.
Common Phrases and Expressions
melanin-rich:
Having a high concentration of melanin.
melanin production:
The process by which melanin is synthesized in the body.
melanin levels:
The amount of melanin present in an organism.
Related Words
albino:
An individual or organism with a genetic condition causing little or no melanin.
eumelanin:
A type of melanin that is brown or black in color.
pheomelanin:
A lighter form of melanin that gives a yellow or red hue.
Slang Meanings of melanin
Meaning: Melanin magic
Example Sentence: She believes in melanin magic; confidence that comes from embracing one's natural skin tone.
Meaning: Melanin rich
Example Sentence: He loves to celebrate melanin rich skin during his art shows.