cation

Noun
  1. A positively charged ion (synset 109261200)
    is a type of: ion - a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
    subtypes:
    • hydrogen ion - a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
    • diazonium - the univalent cation R-N:N- (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes

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