yellow-blue_dichromacy (HyperDic hyper-dictionary)

English > 1 sense of the expression *yellow-blue dichromacy*:
NOUN	state	yellow-blue dichromacy, yellow-blue color blindness	confusion of yellow and blue

English > *yellow-blue dichromacy*: 1 sense > noun 1, state
Meaning	confusion of yellow and blue.
Synonym	yellow-blue color blindness
Narrower	tetartanopia, yellow-blindness	A form of dichromacy characterized by lowered sensitivity to yellow light
Narrower	tritanopia, blue-blindness	Rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
Broader	dichromacy, dichromatism, dichromatopsia, dichromia, dichromasy	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)

HyperDic: yellow-blue_dichromacy