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BNC: 29210 COCA: 30355
BNC: 29210 COCA: 30355

cation

noun

cat·​ion ˈkat-ˌī-ən How to pronounce cation (audio)
ˈka-(ˌ)tī-ən
: the ion in an electrolyzed solution that migrates to the cathode
broadly : a positively charged ion

Word History

Etymology

Greek kation, neuter of katiōn, present participle of katienai to go down, from kata- cata- + ienai to go — more at issue entry 1

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of cation was in 1834
BNC: 29210 COCA: 30355

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