Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Occurring as single atoms.

from The Century Dictionary.

  • Having the same valence or atomicity as hydrogen, represented by unity.

from the GNU version of the Collaborative International Dictionary of English.

  • adverb Consisting of, or containing, one atom.
  • adverb Having the equivalence or replacing power of an atom of hydrogen; univalent.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of or relating to an element consisting of a single atom

Etymologies

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Examples

  • Ionization was also observed in monatomic inert gases, which proves that the unit of electric charge is a constituent of the atom that is liberated from it by ionization.

    Nobel Prize in Physics 1923 - Presentation Speech 1965

  • Due to their antisocial and imperturbable nature they occur in ChemicalData as only their monatomic selves.

    Wolfram Blog : What’s Your Favorite Element? 2009

  • These atoms still try to reshape even after forming a molecule but find their efforts opposed by the new covalent bond, the covalent bond gets broken by this reshaping force when the molecule moves to a spatial position where the Casimir force changes sufficiently that the reshaping force disassociates the molecule restoring monatomic energy levels.

    Printing: Will 2010 be the Year of Zero Point Energy? 2010

  • These atoms still try to reshape even after forming a molecule but find their efforts opposed by the new covalent bond, the covalent bond gets broken by this reshaping force when the molecule moves to a spatial position where the Casimir force changes sufficiently that the reshaping force disassociates the molecule restoring monatomic energy levels.

    Will 2010 be the Year of Zero Point Energy? 2010

  • Einstein has made great contributions to the scientific world, including the theory of relativity, the founding of relativistic cosmology, the prediction of the deflection of light by gravity, the quantum theory of atomic motion in solids, the zero-point energy concept, and the quantum theory of a monatomic gas which predicted Bose–Einstein condensation, to name a few of his scientific contributions.

    Ten Things To Learn From Albert Einstien | CurveHouse.com 2010

  • These atoms still try to reshape even after forming a molecule but find their efforts opposed by the new covalent bond, the covalent bond gets broken by this reshaping force when the molecule moves to a spatial position where the Casimir force changes sufficiently that the reshaping force disassociates the molecule restoring monatomic energy levels.

    Will 2010 be the Year of Zero Point Energy? 2010

  • The gas has been allowed to equilibrate at some well defined temperature, and as a result the average kinetic energy of each molecule is (3/2) kT (we ignore internal degrees of freedom and assume the gas is monatomic), where

    Information Processing and Thermodynamic Entropy Maroney, Owen 2009

  • This releases the signature black light plasma and restores the atoms to monatomic levels.

    Relativistic Hydrogen molecules extract energy 2009

  • Water can be cheaply disassociated into Brown's Gas/HHO gas (monatomic and diatomic Hydrogen and Oxygen) using efficient electrolyzing techniques which require very little power to operate, or sophistication to build.

    Brown's Gas ("HHO") : Clean, Cheap, and Suppressed Energy 2008

  • The terms "Brown Gas" and "HHO" are used in this article as synonymous, although there is some minor technical debate as to the ratios of monatomic and diatomic gas within each, and "HHO" was once a trade name for Brown's Gas (it has now become a generic term like "kleenex", as iswritten here for this purpose).

    Brown's Gas ("HHO") : Clean, Cheap, and Suppressed Energy 2008

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