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

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

Rhymes with ION

ayin, Brian, lion, Mayan, scion