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i·on
 ion
- pronunciation:
- aI
an
[or]
aI
 n
- features:
- 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.
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| definition 2: |
an electrically charged particle created in a gas, as by an electric discharge.
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