Home › Words › P › periodinationperiodinationperiodination means the act of periodinating.Among words judged in Lexicurio's Arena, periodination ranks #33,913 of 42,752 for Qualifying.EtymologyBy surface analysis, per + iodination, or, by surface analysis, periodinate + -ion.nounThe act of periodinating.Definitions & examples from Wiktionary (CC BY-SA 3.0).