a defect of vision in which the retina fails to respond to red or green.
a form of colour blindness characterized by a tendency to confuse reds and greens and by a loss of sensitivity to red light
protanopia pro·ta·no·pi·a (prō’tə-nō’pē-ə)
A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.
phrase See pro tanto
noun, plural protases [prot-uh-seez] /ˈprɒt əˌsiz/ (Show IPA) 1. the clause expressing the condition in a conditional sentence, in English usually beginning with if. Compare apodosis. 2. the first part of an ancient drama, in which the characters are introduced and the subject is proposed. Compare catastasis, catastrophe (def 4), epitasis. 3. (in Aristotelian logic) […]
prote- pref. Variant of proteo-.
noun 1. any shrub or small tree of the genus Protea, of tropical and southern Africa, having flowers with coloured bracts arranged in showy heads: family Proteaceae
adjective 1. readily assuming different forms or characters; extremely variable. 2. changeable in shape or form, as an amoeba. 3. (of an actor or actress) versatile; able to play many kinds of roles. 4. (initial capital letter) of, relating to, or suggestive of Proteus. adjective 1. readily taking on various shapes or forms; variable protean […]