Definition of ion
(Entry 1 of 3)
1
: an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
2
: a charged subatomic particle (such as a free electron)
Ion
abbreviationDefinition of Ion (Entry 2 of 3)
Ionic
-ion
noun suffixDefinition of -ion (Entry 3 of 3)
1a
: act or process
validation
b
: result of an act or process
regulation
2
: state or condition
hydration
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Time Traveler for ion
The first known use of ion was circa 1834
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