Wiktionary
n. (standard spelling of from=British spelling lang=en color blindness)
WordNet
n. genetic inability to distinguish differences in hue [syn: color blindness, color vision deficiency, colour vision deficiency]
Usage examples of "colour blindness".
How is it possible ever to speak of, let alone do research on, a gene 'for' blue eyes, or a gene 'for' colour blindness?
In fact, colour blindness was known, for a considerable time during the last century, as 'Daltonism', since it was through the publication of Dalton's self-observations that for the first time general attention was drawn to this phenomenon.
He kept everything neat and freshly painted because he had briefly shared a flat with Louie, and their apartment had ended up looking like it was in the process of being searched by the SAS, as well as being decorated in a manner that showed influences of rave culture, A Rebours and colour blindness.