daltonism

[ dawl-tn-iz-uh m ]
/ ˈdɔl tnˌɪz əm /

noun (sometimes initial capital letter) Pathology.

color blindness, especially the inability to distinguish red from green.

Origin of daltonism

1835–45; J. Dalton + -ism

OTHER WORDS FROM daltonism

dal·ton·ic [dawl-ton-ik] /dɔlˈtɒn ɪk/, adjective

Words nearby daltonism

dalton plan, dalton system, dalton's atomic theory, dalton's law, daltonian, daltonism, daly, daly city, dalén, dam, damage

British Dictionary definitions for daltonic

daltonism
/ (ˈdɔːltəˌnɪzəm) /

noun

colour blindness, esp the confusion of red and green

Derived forms of daltonism

daltonic (dɔːlˈtɒnɪk), adjective

Word Origin for daltonism

C19: from French daltonisme, after John Dalton

Medical definitions for daltonic

daltonism
[ dôl′tə-nĭz′əm ]

n.

An inherited defect in the perception of red and green; red-green colorblindness.