anion

noun an·ion \ˈa-ˌnī-ən\

Definition of ANION

: the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion

See anion defined for kids

Greek, neuter of aniōn, present participle of anienai to go up, from ana- + ienai to go — more at issue

First Known Use: 1834

Medical Dictionary

noun an·ion \ˈan-ˌī-ən\

: the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion

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