from The Century Dictionary.
- Relating to or discovered by John Dalton, a noted English chemist (1766–1844).
- noun One affected by colorblindness. See
from the GNU version of the Collaborative International Dictionary of English.
- noun One afflicted with color blindness.
Sorry, no etymologies found.
I always ask people in front of which I have to talk, if somebody is daltonian … One day, I had to use a yellow chalk on a green board, and, of course, Murphy's law applied: someone could not see at all what I was writing.