triatomic [trahy-uh-tom-ik] ExamplesWord Origin adjective Chemistry.

  1. having three atoms in a molecule.
  2. having three replaceable hydrogen atoms.
  3. having three replaceable hydroxyl groups.

Origin of triatomic First recorded in 1860–65; tri- + atomic Related formstri·a·tom·i·cal·ly, adverb Examples from the Web for triatomic Historical Examples of triatomic

  • The corresponding group consists of nitrogen, vanadium and niobium; they are triatomic, paramagnetic, and negative.

    Occult Chemistry

    Annie Besant and Charles W. Leadbeater

  • Triatomic, trī-a-tom′ik, adj. consisting of three atoms: trivalent.

    Chambers’s Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)


  • British Dictionary definitions for triatomic triatomic adjective

    1. chem having three atoms in the molecule

    Derived Formstriatomically, adverb

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