triatomic
adjective
tri·atom·ic
ˌtrī-ə-ˈtä-mik 
: having three atoms in the molecule
ozone is triatomic oxygen
Cite this Entry
“Triatomic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triatomic. Accessed 10 Jul. 2025.
Copy CitationKids 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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