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

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triatome

triatomic

triaxial

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“Triatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triatomic. Accessed 4 Nov. 2025.

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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

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triatomic

adjective

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