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triatomic

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adjective tri·atom·ic \ˌtrī-ə-ˈtä-mik\

Definition of triatomic

  1. :  having three atoms in the molecule ozone is triatomic oxygen

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triatomic

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adjective tri·atom·ic \ˌtrī-ə-ˈtäm-ik\

Medical Definition of triatomic

  1. :  having three atoms in the molecule ozone is triatomic oxygen

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