protanopia noun. [prǝʊtǝ'nǝʊpɪǝ] E20.
[formed as PROTANOMALY + AN-⁵ + -OPIA.]
Ophthalmology. Colour-blindness (esp. dichromatism) involving insensitivity to red, resulting in confusion of reds, yellows, greens, and some other colours; red-blindness, daltonism. Cf. DEUTERANOPIA.

■ 'protanope noun a protanopic individual E20.

■ protanopic adjective of, pertaining to, or exhibiting protanopia E20.

[TahlilGaran] English Dictionary ▲