| 单词 | colour vision deficiency |
| 释义 | colour vision deficiency (extremely rare) n WORD FAMILY colour vision deficiency n genetic inability to distinguish differences in hue Syn|Hypo|Hyper color blindness, color vision deficiency, colour blindness dichromacy, dichromasy, dichromatism, dichromatopsia, dichromia a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) monochromacy, monochromasy, monochromatic vision, monochromatism, monochromiacomplete color blindness; colors can be differentiated only on the basis of brightness red-green color blindness, red-green colour blindness, red-green dichromacyconfusion of red and green yellow-blue color blindness, yellow-blue dichromacyconfusion of yellow and blue birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder a defect that is present at birth vision defect, visual defect, visual disorder, visual impairmentimpairment of the sense of sight |
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