achromatopsy
English
Etymology
From Ancient Greek ἀ- (a-, “not”) + χρῶμα (khrôma, “colour”) + -οψία (-opsía, “sight”)
Noun
achromatopsy (uncountable)
- color blindness; inability to distinguish colors; daltonism, achromatopia
References
- achromatopsy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.