color blindness

color blindness
genetic inability to distinguish differences in hue
Derivationally related forms: ↑colour-blind, ↑color-blind

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: the state of being color-blind : inability or marked difficulty in distinguishing chromatic color — compare chromatic vision; dichromatism, monochromatism, trichromatism

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1. inability to distinguish one or several chromatic colors, independent of the capacity for distinguishing light and shade.
2. complete inability to distinguish colors of the spectrum, with all objects appearing as shades of gray, black, and white, varying only as to lightness and darkness; achromatopsia.

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color blindness, or col|or-blind|ness «KUHL uhr BLYND nihs», noun.
a visual inherited defect, consisting of an inability to tell certain colors apart or to perceive certain colors (usually red and green, sometimes blue and yellow).

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color blindness (US) (or Brit colour blindness) noun [noncount]

He has a common form of color blindness.

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Main Entry:color-blind

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Color blindness — Color Col or (k[u^]l [ e]r), n. [Written also {colour}.] [OF. color, colur, colour, F. couleur, L. color; prob. akin to celare to conceal (the color taken as that which covers). See {Helmet}.] 1. A property depending on the relations of light to… …   The Collaborative International Dictionary of English

  • Color blindness — Blindness Blind ness, n. State or condition of being blind, literally or figuratively. Darwin. [1913 Webster] {Color blindness}, inability to distinguish certain color. See {Daltonism}. [1913 Webster] …   The Collaborative International Dictionary of English

  • color blindness — 1844, replacing Daltonism (after English chemist John Dalton, 1766 1844, who published a description of it in 1794); in figurative use, with reference to race or ethnicity, attested from 1866, Amer.Eng. Related: color blind …   Etymology dictionary

  • color blindness — color blindness. См. дальтонизм. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Color blindness — Colorblind and Colourblind redirect here. For other uses, see Colorblind (disambiguation). Color blindness or color deficiency Classification and external resources An 1895 illustration of normal vision and various kinds of color blindness …   Wikipedia

  • color blindness — spalvinis aklumas statusas T sritis fizika atitikmenys: angl. color blindness; colour blindness; daltonism vok. Anerythropsie, f; Daltonismus, m; Farbenblindheit, f rus. дальтонизм, m; цветовая слепота, f pranc. achromatopsie, f; anérythropsie,… …   Fizikos terminų žodynas

  • color-blindness — ˈcolour blindness ; (especially US ˈcolor blindness) noun uncountable Main entry: ↑colour blindderived …   Useful english dictionary

  • color blindness — noun a) Any of several medical conditions in which the physical ability to see colors is impaired, especially Achromatopsia, Daltonism. Despite the fact that race is embedded in American social life, color blindness has recently emerged as the… …   Wiktionary

  • Color blindness (race) — Color blindness (sometimes spelled colour blindness; also called race blindness) is a sociological term referring to the disregard of racial characteristics when selecting which individuals will participate in some activity or receive some… …   Wikipedia

  • color blindness — n achromatopsy, Daltonism, chro mo blindness, Ophthalm. monochromatism; Oph thalm. deuteranopia, green blindness; Ophthalm. pro tanopia, red blindness; Ophthalm. tritanopia, blue blindness, yellow blindness …   A Note on the Style of the synonym finder

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