ion

Noun
  1. A particle that is electrically charged (positive or negative);
    An atom or molecule or group that has lost or gained one or more electrons (synset 109338065)
    is a type of: particle, subatomic particle - a body having finite mass and internal structure but negligible dimensions
    subtypes:
    • anion - a negatively charged ion
    • cation - a positively charged ion

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