Definition of triatomic
: having three atoms in the molecule
ozone is triatomic oxygen
Test Your Vocabulary
Eponyms: Words Named After People
-
- What is the best definition of boycott?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share triatomic
Time Traveler for triatomic
The first known use of triatomic was in 1862
See more words from the same year