# dichromatism

> English word · Noun

## Definitions
1. The condition of being dichromatic
2. A form of colourblindness in which only two of the three primary colours can be distinguished
3. The condition when male and female birds have different plumage colors.

## Etymology
From di- + chromatism.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dichromatism