Daltonic

See also: daltonic and daltònic

English

Alternative forms

  • daltonic (especially the colour blind sense)

Etymology

From Dalton + -ic.

Adjective

Daltonic (not comparable)

  1. Of or pertaining to the chemist John Dalton, Daltonian.
    • 1866, John Henry Pepper, The Playbook of Metals: A New Edition, page 150,
      All our ideas are so interwoven with the Daltonic theory that we cannot transform ourselves into the times when it did not exist.
    • 1875 October 8, S. E. Phillips, The Atomic Weight of the Cerium Metals, William Crooke (editor), The Chemical News, Volume 31: 1875, page 176,
      It seems to me a cardinal point with many to consider the elements as blank units which may be played with numerically; they coldly and grudgingly accept the Daltonic proportions, and seem to consider it immaterial whether an element be xCl, or x2Cl2, or x3Cl3, excepting as far as volume or specific heat may determine.
    • 1906, The Messenger, page 32,
      An “ion” is an atom of matter—I mean a Daltonic atom; hydrogen, for example—with such an electron attached to it, or detached from it.
  2. Colour blind, especially red-green colour blind.
    • 1982, R. Fletcher, Childrens' Tests - Further Applications, G. Verriest (editor), Colour Vision Deficiencies, Volume 6, page 189,
      Using three tests, bridge', 'differences and 'mosaic', can be as rapid as 1 minute per test but a child slightly Daltonic on PIC may give positive results on only two of the three; which two, cannot be predicted.
    • 1983, Rimvydas Šilbajoris, Mind Against the Wall: Essays on Lithuanian Culture Under Soviet Occupation, page 109:
      Here we see the very same restrictions, the same blind — and at best Daltonic — policies of the ideological leaders.
    • 1994, Olga Bicos, More Than Magic, page 298:
      " [] I have a cousin with Daltonic vision; it's not so strange in a man not to see the color red."

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