dal·ton·ism

also Dal·ton·ism (dôl′tə-nĭz′əm)

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

[After John Dalton.]

dal·to′ni·an (-tō′nē-ən), dal·ton′ic (-tŏn′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

daltonism

(ˈdɔːltəˌnɪzəm)

(Medicine) colour blindness, esp the confusion of red and green

[C19: from French daltonisme, after John Dalton]

daltonic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Daltonism

red-green color blindness.

daltonism

[ˈdɔːltənɪzəm] N → daltonismo m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

daltonism

n → Farbenblindheit f, → Daltonismus m (dated spec), → Rotgrünblindheit f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

dal·ton·ism

n. daltonismo, dificultad para percibir colores.

English-Spanish Medical Dictionary © Farlex 2012

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References in periodicals archive

David Brewster introduced the term colour blindness, which will be formerly known as daltonism after John Dalton, who described in detail his own inability to distinguish red in 1978.

PREVALENCE OF COLOUR BLINDNESS AMONG SCHOOL CHILDREN IN MANDYA DISTRICT, KARNATAKA

It was also the year that John Dalton reported his discovery of 'Daltonism',' or colour blindness, at a meeting of the Manchester Literary and Philosophical Society.

Then & now ST PETER'S SQUARE; Welcome to Then and Now, where each week we compare images of Manchester streets, landmarks and buildings from bygone days with how they look today

Today, Santos knows he suffers from daltonism, which is a genetic form of colorblindness that prevents him from telling certain colors apart.

Painting the world for people who don't see color

Daltonism is a common color deficiency in which people cannot detect red and green colors correctly.

Stereoacuity of Black-White and Red-Green Patterns in Individuals with and without Color Deficiency

A Orchid B Crocus C Day lily D Lotus QUESTION 13 - for 13 points: Which medical condition is called Daltonism? A Lack of taste and smell B Lack of touch C Sensitivity to sunlight D Colour blindness QUESTION 14 - for 14 points: What is measured by a udometer?

The Accumulator Quiz; Each question has four possible answers and is worth from one to 15 points. Circle your chosen answers and keep a record of your points total. Maximum total points 120