dichromacy

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noun

The quality of having two independent channels for conveying color information in the eye.

Similar
dichromatismdichromatopsiadichromiadichromasy
OriginAncient Greek χρῶμα →
Scrabble 23
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Meanings

noundichromacy (uncountable)
  1. uncountableThe quality of having two independent channels for conveying color information in the eye.

Synonyms & antonyms

nouna deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)

Similar
dichromatismdichromatopsiadichromiadichromasy
Broader
color blindnesscolour blindnesscolor vision deficiency
Also see
dichromatismdichromatopsia

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekχρῶμα“color”
  2. Englishdichromacy

di- + Ancient Greek χρῶμα (khrôma, “color”).

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

dichromacy. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dichromacy

MLA

“dichromacy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dichromacy. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dichromacy,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dichromacy.

Source: dichromacy on Wiktionary, CC BY-SA 4.0.