Meaning of “colour-blind” in the English Dictionary

English

"colour-blind" in English

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colour-blindadjective

UK US colorblind uk /ˈkʌl.ə.blaɪnd/ us /ˈkʌl.ɚ.blaɪnd/

Examples from literature

  • Accidents have sometimes occurred because the engineers were colour-blind and red and green looked alike to them. 
  • Ordinary pigments are never pure, and the test colours may be distinguished by those of their adventitious hues to which the partly colour-blind man may be sensitive. 
  • There are many people who are what are called colour-blind, being unable to distinguish one colour from another. 
  • They had no more notion of its true nature than a colour-blind man, who has not discerned his defect, has of the nature of colour. 

(Definition of “colour-blind” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)