Definition of diatomic
: consisting of two atoms : having two atoms in the molecule
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share diatomic
Time Traveler for diatomic
The first known use of diatomic was circa 1859
See more words from the same year