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leu·ko·trich·ia or chiefly Brit leu·co·trich·ia .lü-kə-'trik-ē-ə n whiteness of the hair
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leu·ko·trich·ia (loo″ko-trikґe-ə) [leuko- + trich- + -ia] circumscribed depigmentation and whitening of the hair; cf. poliosis.Medical dictionary. 2011.