(def 2).

achromatopsia a·chro·ma·top·si·a (ə-krō’mə-tŏp’sē-ə) or a·chro·ma·top·sy (ə-krō’mə-tŏp’sē)
A severe congenital deficiency in color perception, often associated with nystagmus and reduced visual acuity. Also called achromatic vision, monochromatism.

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  • Achromatosis

    achromatosis achromatosis a·chro·ma·to·sis (ə-krō’mə-tō’sĭs) n. pl. a·chro·ma·to·ses (-sēz’) See achromia.

  • Achromatous

    without color. having little or inadequate color; lighter in color than normal. adjective having little or no colour or less than is normal achromatous a·chro·ma·tous (ā-krō’mə-təs, ə-krō’-) adj. Having no color; colorless.

  • Achromaturia

    achromaturia achromaturia a·chro·ma·tu·ri·a (ə-krō’mə-tyur’ē-ə) n. Passage of colorless or very pale urine.

  • Achromia

    achromia achromia a·chro·mi·a (ā-krō’mē-ə, ə-krō’-) n. Congenital or acquired deficiency of natural pigmentation. Lack of capacity to accept stains in cells or tissue. Also called achromasia, achromatosis.

  • Achromobacter

    any of several rod-shaped bacteria of the genus Achromobacter, found in soil and water.

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