Dictionary

Daltonism en · NOUN

Pronunciation

• /ˈdɔːltənɪzəm/ (UK)

Etymology

From Dalton + -ism. Named after John Dalton (1766–1844), who suffered from the condition and conducted early research on it.

Meanings

1. (uncountable) An inability or defective ability to perceive or distinguish certain colors, especially red-green color blindness.
   • The concern of Kosmetatos was not how affected individuals would manage to organize their lives taking the effects of Daltonism as given; rather, using the specific case of Daltonism, he suggested the bureaucratization and surveillance of humans by recording their health condition over long periods. 2013, Sevasti Trubeta, Physical Anthropology, Race and Eugenics in Greece (1880s–1970s), page 109:
   • The Ishihara plates were developed for the assessment of congenital colour anomalies (Daltonism) and so there is considerable detail in the testing that is not relevant to optic nerve disease where the losses do not follow the specific patterns seen in Daltonism but show largely global losses. 2011, Gordon Plant, James Acheson, Charles Clarke, Elizabeth Graham, Robin Howard, Simon Shorvon, “13: Neuro-Ophthalmology”, in Charles Clarke, Robin Howard, Martin Rossor, Simon D. Shorvon, editors, Neurology: A Queen Square Textbook, unnumbered page:
   • A person with Daltonism may be said to lack a discriminatory power that others have: his perceptions of red and green are, as such, not to be relied on. 2002, Richard Davies, Descartes: Belief, Scepticism and Virtue, page 25:
2. (uncountable) Achromatopsia.

Forms

Hypernyms

achromatopsia (inability or defective ability to perceive color) · achromatism (inability or defective ability to perceive color) · achromatopia (inability or defective ability to perceive color)

Relateds

daltonic · Daltonian · Daltonic

Synonyms

color blindness (inability or defective ability to perceive or distinguish certain colors) · dichromatism (inability or defective ability to perceive or distinguish certain colors)

Translations (11)

pt daltonismo (red-green color blindness) · el αχρωματοψία (red-green color blindness) · el δαλτονισμός (red-green color blindness) · de Rot-Grün-Blindheit (red-green color blindness) · el αχρωματοψία (achromatopsia) · ru дальтони́зм (red-green color blindness) · it daltonismo (red-green color blindness) · es daltonismo (red-green color blindness) · mk далтони́зам (red-green color blindness) · fr daltonisme (red-green color blindness) · hu daltonizmus (red-green color blindness)