triatomic

adjective

tri·atom·ic ˌtrī-ə-ˈtä-mik

: having three atoms in the molecule

ozone is triatomic oxygen

Word History

Etymology

International Scientific Vocabulary

First Known Use

1862, in the meaning defined above

Time Traveler

The first known use of triatomic was in 1862

See more words from the same year

Cite this Entry

Style

“Triatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triatomic. Accessed 24 Nov. 2024.

Copy Citation

Kids Definition

triatomic

adjective

tri·atom·ic ˌtrī-ə-ˈtäm-ik

: having three atoms in the molecule

ozone is triatomic oxygen

Medical Definition

triatomic

adjective

tri·atom·ic ˌtrī-ə-ˈtäm-ik

: having three atoms in the molecule

ozone is triatomic oxygen

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

lenient

Listen to the pronunciation of lenient

See Definitions and Examples »

Get Word of the Day daily email!