Daltonism
An inability or defective ability to perceive or distinguish certain colors,…An inability or defective ability to perceive or distinguish certain colors, especially red-green color blindness.
Meaning
2 senses(uncountable)An inability or defective ability to perceive or distinguish certain colors, especially red-green color blindness.
Rot-Grün-Blindheit
дальтони́змdalʹtonízm
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
(uncountable)Achromatopsia.
Translations
6 languagesBy meaning 1
By meaning 1
Origin
From Dalton + -ism. Named after John Dalton (1766–1844), who suffered from the condition aFrom Dalton + -ism. Named after John Dalton (1766–1844), who suffered from the condition and conducted early research on it.
Wiktionary, CC BY-SA 4.0 · source
Synonyms
4 synonyms- dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red:deuteranopiagreen-blindness
Word family
1 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.