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ion

i·on

ion

 
pronunciation:
aI an [or] aI n
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition 1: an atom, group of atoms, or molecule that bears a positive electric charge as a result of electron loss or a negative charge as a result of electron gain.
definition 2: an electrically charged particle created in a gas, as by an electric discharge.
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See
  chemistry, element