DALTONISM

deuteranopia, Daltonism, green-blindness

(noun) dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red

Source: WordNet® 3.1


Etymology

Noun

Daltonism (uncountable)

(medicine, pathology) Inability or defective ability to perceive or distinguish certain colors, especially red-green color blindness.

Achromatopsia.

Synonyms

• (inability or defective ability to perceive or distinguish certain colors): color blindness, dichromatism

Hypernyms

• (inability or defective ability to perceive color): achromatism, achromatopia, achromatopsia

Anagrams

• mandolist

Noun

daltonism (uncountable)

Alternative letter-case form of Daltonism

Anagrams

• mandolist

Source: Wiktionary


Dal"ton*ism, n.

Definition: Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Nichol.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 April 2025

WHOLE

(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”


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Coffee Trivia

An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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