| 释义 |
cat·ion
\ˈkad.ˌīən also -ˌīˌän or ˈkaˌtī-\ noun
(-s)
Etymology: Greek kation, neuter of katiōn, present participle of katienai to go down, from kata- cata- + ienai to go — more at issue
1. : a positively charged ion (as a hydrogen, calcium, or ammonium ion) — opposed to anion
2.
a. : the ion in an electrolyzed solution that migrates to the cathode and is there discharged and liberated or deposited
b. : a positive gaseous ion |