Pigmentation
/pˌɪɡməˈnteɪʃən/
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Definition
(noun) Coloration of human, plant or animal tissue, especially by pigment.
Sentence Examples
The unusual pigmentation of her skin was due to a rare condition.
Some animals can change their pigmentation to blend in.
CEFR Practice Quiz
The doctor noted unusual ____ on the patient's skin and referred her to a dermatologist.