cation

noun cat·ion \ˈkat-ˌī-ən, ˈka-(ˌ)tī-ən\

Definition of CATION

: the ion in an electrolyzed solution that migrates to the cathode; broadly : a positively charged ion

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Greek kation, neuter of katiōn, present participle of katienai to go down, from kata- cata- + ienai to go — more at issue

First Known Use: 1834

Medical Dictionary

noun cat·ion \ˈkat-ˌī-ən\

: the ion in an electrolyzed solution that migrates to the cathode; broadly : a positively charged ion

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