colour blindness

Questions about colour blindness

What does colour blindness mean?

colour blindness means "genetic inability to distinguish differences in hue".

What is another word for colour blindness?

Close synonyms include color blindness, color vision deficiency, colour vision deficiency. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is colour blindness a common word?

colour blindness is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.