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3 definitions found
 for Cation
From The Collaborative International Dictionary of English v.0.48 :

  Cation \Cat"i*on\, n. [Gr. ? downward + ? going, p. pr. of ? to
     go.] (Chem.)
     a positively charged atom, radical, or molecule, which in
     electrolysis migrates to the cathode; a positive ion; --
     opposed to anion. --Faraday.
     [1913 Webster +PJC]

From WordNet (r) 3.0 (2006) :

      n 1: a positively charged ion

From Moby Thesaurus II by Grady Ward, 1.0 :

  51 Moby Thesaurus words for "cation":
     acid, acidity, agent, alkali, alkalinity, alloisomer, anion,
     antacid, atom, base, biochemical, chemical, chemical element,
     chromoisomer, compound, copolymer, dimer, electrocoating,
     electroetching, electrogalvanization, electrogilding,
     electrograving, electrolysis, electrolyte, electroplating, element,
     galvanization, heavy chemicals, high polymer, homopolymer,
     hydracid, inorganic chemical, ion, ionization, ionogen, isomer,
     macromolecule, metamer, molecule, monomer, neutralizer, nonacid,
     nonelectrolyte, organic chemical, oxyacid, polymer, pseudoisomer,
     radical, reagent, sulfacid, trimer

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