# tristimulus

> English word · Noun

## Definitions
1. A set of three stimuli, especially the red, green and blue components of colour vision.

## Etymology
From tri- + stimulus.

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