daltonism

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Daltonism, the commonest form of color-blindness in which the affected individual is unable to discriminate between red and green.

From Project Gutenberg

Color blindness; inability to distinguish colors; Daltonism.

From Project Gutenberg

In 1794 he was elected a member of the Manchester Literary and Philosophical Society, and a few weeks after election he communicated his first paper on “Extraordinary facts relating to the vision of colours,” in which he gave the earliest account of the optical peculiarity known as Daltonism or colour-blindness, and summed up its characteristics as observed in himself and others.

From Project Gutenberg

Daltonism, dal′ton-izm, n. colour-blindness: inability to distinguish certain colours.—adj.

From Project Gutenberg

With so much of actual Peter Daltonism in my own affairs, I have little courage to ask you what you think of my fictitious woes, but I hope you go with me in the chief views I take of priestly craft and priestly political meddling.

From Project Gutenberg