Copy Citation
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZtristimulus
adjective
tri·stim·u·lus
(ˌ)trī-ˈstim-yə-ləs 
: of or relating to values giving the amounts of the three colored lights red, green, and blue that when combined additively produce a match for the color being considered
Word History
First Known Use
1933, in the meaning defined above
Dictionary Entries Near tristimulus
Cite this Entry
“Tristimulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tristimulus. Accessed 26 Mar. 2023.
Love words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Name That Flower
Can you tell the difference between a lilac and a...
Take the quiz
-
Are You Feeling Lucky?
A charming quiz about fortunate and unfortunate w...
Take the quiz
-
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share