cat·i·on 
(kătī′ən)
(kătī′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 the Appendix of Indo-European roots.]
cat′i·onic (kăt′ī-ŏnĭk) adj.
- inflater
- inflation
- inflationary
- inflationary universe
- inflationism
- inflationist
- inflation theory
- inflator
- inflect
- inflection
- inflectional
- inflectionally
- inflection point
- inflective
- inflector
- inflexed
- inflexibility
- inflexible
- inflexibleness
- inflexibly
- inflexion
- inflict
- inflicter
- infliction
- inflictive