cationic

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cat·i·on

 (kăt′ī′ən)
n.
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.

[Greek kation, something going down, from neuter present participle of katienai, to go down : kat-, kata-, cata- + ienai, to go; see ei- in Indo-European roots.]

cat′i·on′ic (kăt′ī-ŏn′ĭk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cationic - of or relating to cations
anionic - of or relating to anions