| NOUN | state | dichromasy, dichromacy, 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) |
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| Meaning | 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). | |
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| Synonyms | dichromacy, dichromatism, dichromatopsia, dichromia | |
| Narrower | red-green dichromacy, red-green color blindness, red-green colour blindness | confusion of red and green |
| yellow-blue dichromacy, yellow-blue color blindness | confusion of yellow and blue | |
| Broader | color blindness, colour blindness, color vision deficiency, colour vision deficiency | genetic inability to distinguish differences in hue |
| Spanish | dichromatopsia, dichromia, dicromatismo | |
| Catalan | dichromatopsia, dichromia, dicromatisme, tritanòpsia | |
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