Dichromatism

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The condition of being dichromatic countable, uncountable
  2. 2
    a 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) wordnet
  3. 3
    A form of colourblindness in which only two of the three primary colours can be distinguished countable, uncountable
  4. 4
    The condition when male and female birds have different plumage colors. countable, uncountable

    "There long had been a bias among researchers to think of the evolution of sexual dichromatism as driven by changes in male coloration."

Synonyms

All synonyms
color blindnessdaltonismdichromacydichromacydichromasydichromatopsia

Example

More examples

"There long had been a bias among researchers to think of the evolution of sexual dichromatism as driven by changes in male coloration."

Etymology

From di- + chromatism.

Related phrases

sexual dichromatismprimary colour

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.