deuteranopia

noun
deu·​ter·​an·​opia | \ˌdü-tə-rə-ˈnō-pē-ə also ˌdyü- \

Definition of deuteranopia 

: color blindness marked by usually complete loss of ability to distinguish colors

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Other Words from deuteranopia

deuteranopic \-​ˈnō-​pik, -​ˈnä-​pik \ adjective

Examples of deuteranopia in a Sentence

Recent Examples on the Web

Red-green color blindness is broadly organized into four types, protanomaly, protanopia, deuteranomaly, and deuteranopia, all of which have to do with how the cones in the eye function. Fernando Alfonso Iii, Houston Chronicle, "What it's like to be red-green color blind during the holidays," 19 Dec. 2017 One of these is for players with normal vision; the other three cater to those with protanopia, deuteranopia and tritanopia (which correspond to people’s difficulties sensing red, green and blue light respectively). The Economist, "Sure plays a mean pinballGames for people with disabilities," 30 Sep. 2017 The most common type of colour blindness, for example, is deuteranopia. The Economist, "Sure plays a mean pinballGames for people with disabilities," 30 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deuteranopia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deuteranopia

circa 1901, in the meaning defined above

History and Etymology for deuteranopia

New Latin, from deuter- + a- entry 2 + -opia; from the blindness to green, regarded as the second primary color

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Time Traveler for deuteranopia

The first known use of deuteranopia was circa 1901

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More Definitions for deuteranopia

deuteranopia

noun
deu·​ter·​an·​opia | \ˌd(y)üt-ə-rə-ˈnō-pē-ə \

Medical Definition of deuteranopia 

: color blindness marked by usually complete loss of ability to distinguish colors

Other Words from deuteranopia

deuteranopic \-​ˈnō-​pik, -​ˈnäp-​ik \ adjective

More from Merriam-Webster on deuteranopia

Britannica.com: Encyclopedia article about deuteranopia

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