red-green color blindness

noun

variants or less commonly red-green blindness
: deficiency of color vision ranging from imperfect perception of red and green to an ability to see only tones of yellow, blue, and gray

Example Sentences

Recent Examples on the Web There are a few types of color vision deficiencies, but red-green color blindness is the most common type. Brooke Swanson As Told To Kate Morgan, The Cut, 22 Feb. 2018

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

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of red-green color blindness was in 1888

Dictionary Entries Near red-green color blindness

Redgrave

red-green color blindness

red groper

Cite this Entry

“Red-green color blindness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red-green%20color%20blindness. Accessed 1 Dec. 2022.

Medical Definition

red-green color blindness

noun

: deficiency of color vision ranging from imperfect perception of red and green to an ability to see only tones of yellow, blue, and gray

called also red-green blindness

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