Ion

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This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. An atom or group of atoms bearing an electrical charge such as the sodium and chlorine atoms in a salt solution.
  • the GNU version of the Collaborative International Dictionary of English
  • n. an atom or goup of atoms (radical) carrying an electrical charge. It is contrasted with neutral atoms or molecules, and free radicals. Certain compounds, such as sodium chloride, are composed of complementary ions in the solid (crystalline) as well as in solution. Others, notably acids such as hydrogen chloride, may occur as neutral molecules in the pure liquid or gas forms, and ionize almost completely in dilute aqueous solutions. In solutions (as in water) ions are frequently bound non-covalently with the molecules of solvent, and in that case are said to be solvated. According to the electrolytic dissociation theory, the molecules of electrolytes are divided into ions by water and other solvents. An ion consists of one or more atoms and carries one unit charges of electricity, 3.4 x 10-10 electrostatic units, or a multiple of this. Those which are positively electrified (hydrogen and the metals) are called cations; negative ions (hydroxyl and acidic atoms or groups) are called anions.
  • n. One of the small electrified particles into which the molecules of a gas are broken up under the action of the electric current, of ultraviolet and certain other rays, and of high temperatures. To the properties and behavior of ions the phenomena of the electric discharge through rarefied gases and many other important effects are ascribed. At low pressures the negative ions appear to be electrons; the positive ions, atoms minus an electron. At ordinary pressures each ion seems to include also a number of attached molecules. Ions may be formed in a gas in various ways.
  • The Century Dictionary and Cyclopedia
  • n. One of the elements of an electrolyte, or compound body undergoing electrolyzation.
  • n. A suffix in abstract nouns (many also used as concrete) of Latin origin, as in legion, opinion, option, region, religion, suspicion, communion, union, etc.
  • n. A similar suffix occurring in a few concrete nouns designating persons or things, as in centurion, histrion, union (a pearl), onion, pavilion, etc.
  • n. An abbreviation of longitude.
  • n. In physical chemistry, one of the particles, bearing electric charges, which carry electric currents through the air or other gas. See electron, 2.
  • n. In physical chemistry, the word ion added, as a suffix, to the abbreviated name of an atom or radical to form a name for the atom or radical in the ionic state: thus chlorion means an atom of chlorin in the ionic condition; cuproion or cupriion, the ion of univalent and of bivalent copper.
  • n. An abbreviation of Ionic.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
  • Hypernym
    Words that are more generic or abstract
    Cross Reference
    Hyponym
    cation    anion    cations    anions   
    Rhyme
    Words with the same terminal sound
    Brian    Bryan    Bryon    Dion    Ghanaian    Hawaiian    Himalayan    Ixion    Lyon    Mayan   
    Same Context
    Words that are found in similar contexts
    atom    electron    hydrogen    chloride    particle    compound    oxide    plasma    calcium    chemical