/ ˌpɪgmenˈteɪʃn; NAmE / noun
[ U ] the presence of pigments in skin, hair, leaves, etc. that causes them to be a particular colour
/ ˌpɪgmenˈteɪʃn; NAmE / noun
[ U ] the presence of pigments in skin, hair, leaves, etc. that causes them to be a particular colour
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005