ion
ion
noun \ˈī-ən, ˈī-ˌän\Definition of ION
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 (as a free electron)
Origin of ION
Greek, neuter of iōn, present participle of ienai to go — more at issue
First Known Use: circa 1834
Other Chemical Engineering Terms
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