Meanings
plural dichromatisms
- countableuncountableThe condition of being dichromatic
- countableuncountablemedicineA form of colourblindness in which only two of the three primary colours can be distinguished
- countableuncountablebiologyThe condition when male and female birds have different plumage colors.
There long had been a bias among researchers to think of the evolution of sexual dichromatism as driven by changes in male coloration.
2010, Geoffrey E. Hill, Geoffrey Edward Hill, National Geographic Bird Coloration
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)
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
dichromatism. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/dichromatism
“dichromatism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dichromatism. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “dichromatism,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/dichromatism.
Source: dichromatism on Wiktionary, CC BY-SA 4.0.