Definitions for monatomicˌmɒn əˈtɒm ɪk

This page provides all possible meanings and translations of the word monatomic

Random House Webster's College Dictionary

mon•a•tom•icˌmɒn əˈtɒm ɪk(adj.)

  1. having one atom in the molecule.

    Category: Chemistry

  2. containing one replaceable atom or group.

    Category: Chemistry

  3. having a valence of one.

    Category: Chemistry

Origin of monatomic:



Princeton's WordNet

  1. monatomic, monoatomic(adj)

    of or relating to an element consisting of a single atom

    "helium and argon are monatomic gases"


  1. monatomic(Adjective)

    Of an element, consisting of a single atom in the molecule; for example: the noble gases. Note: strictly speaking, a molecule has at least two atoms.

Webster Dictionary

  1. Monatomic(adverb)

    consisting of, or containing, one atom; as, the molecule of mercury is monatomic

  2. Monatomic(adverb)

    having the equivalence or replacing power of an atom of hydrogen; univalent; as, the methyl radical is monatomic


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