Absence or loss of pigment in the hair. SEE ALSO: canities. [G. a- priv. + chroma, color, + thrix, hair]
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achro·mo·trich·ia .ā-.krō-mə-'trik-ē-ə n absence of pigment in the hair
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achro·mo·trich·ia (a-kro″mo-trikґe-ə) loss of pigment in the hair, as in canities, leukotrichia, or poliosis. Called also hypochromotrichia.Medical dictionary. 2011.