Achromatism

ach·ro·mat·ic  (kr-mtk)

adj.

1. Designating color perceived to have zero saturation and therefore no hue, such as neutral grays, white, or black.

2. Refracting light without spectral color separation.

3. Biology Difficult to stain with standard dyes. Used in reference to cells or tissues.

4. Music Having only the diatonic tones of the scale.

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[From Greek akhrmatos : a-, without; see a-¹ + khrma, khrmat-, color.]

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achro·mati·cal·ly adv.

a·chroma·tism (-krm-tzm), a·chroma·tici·ty (-ts-t) n.

Thesaurus

Noun

1.

achromatism - the visual property of being without chromatic color achromaticity, colorlessness, colourlessness visual property - an attribute of vision achromia - an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells