tritanopia

[ trahyt-n-oh-pee-uh ]

/ ˌtraɪt nˈoʊ pi ə /

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noun Ophthalmology.

a defect of vision in which the retina fails to respond to blue and yellow.

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

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Origin of tritanopia

<New Latin, equivalent to trit- (<Greek trítosthird) + an-an-¹ + -opia-opia

OTHER WORDS FROM tritanopia

trit·an·op·ic

[trahyt-n-op-ik], /ˌtraɪt nˌɒp ɪk/, adjective

Words nearby tritanopia

trisulfide, trisulphide, trisyllable, trit., tritagonist, tritanopia, trite, tritheism, trithing, tritiate, triticale

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for tritanopia

tritanopia

/ (ˌtraɪtəˈnəʊpɪə, ˌtrɪt-) /

noun

a form of colour blindness in which there is a tendency to confuse blues and greens and in which sensitivity to blue is reduced

Derived forms of tritanopia

tritanopic (ˌtraɪtəˈnɒpɪk, ˌtrɪt-), adjective

Word Origin for tritanopia

C19/20: from New Latin, from Greek tritos third + New Latin anopia blindness; signifying that only two thirds of the spectrum can be distinguished

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012