English dictionary
ion
/'/aI//@/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
Source: WordNet 3.0
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One of the elements which appear at the respective poles when a body is subjected to electro-chemical decomposition. Cf. <u>Anion</u>, <u>Cation</u>.
Source: webster1913
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One of the electrified particles into which, according to the electrolytic dissociation theory, the molecules of electrolytes are divided by water and other solvents. An <i>ion</i> consists of one or more atoms and carries a unit charge of electricity, 3.4 x 10<sup>-10</sup> electrostatic units, or a multiple of this. Those which are positively electrified (hydrogen and the metals) are called <i>cations</i>; negative ions (hydroxyl and acidic atoms or groups) are called <i>anions</i>.
Source: webster1913