- hexachromia
- n.the ability to distinguish only six of the seven colours of the spectrum, the exception being indigo. Most people cannot distinguish indigo from blue or violet.
Medical dictionary. 2011.
Medical dictionary. 2011.
hexachromia — n. the ability to distinguish only six of the seven colours of the spectrum, the exception being indigo. Most people cannot distinguish indigo from blue or violet … The new mediacal dictionary