melaninnoun [ U ]
uk/ˈmel.ə.nɪn/us/ˈmel.ə.nɪn/a dark brown pigment (= substance that gives colour), found in eyes, skin, hair, feathers, etc. It helps to protect the skin against harmful light from the sun.
Thesaurus: synonyms and related words
Biochemistry
- adipose
- adrenalin
- amino acid
- amylase
- arnica
- chlorophyll
- enzyme
- fatty acid
- flavonoid
- fructose
- histamine
- lanolin
- oestrogen
- phloem
- phototropism
- polysaccharide
- protease
- resin
- tannin
- xylem
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