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Pronunciation: ă-krō′mē-ă


  1. Hypopigmentation; absence or loss of natural pigmentation of the skin and iris; may be congenital or acquired.
  2. Lack of capacity to accept stains in cells or tissue.

Synonym(s): achromasia2, achromatosis

[G. a- priv. + chrōma, color]

See Also: depigmentation

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.