Home › Words › O › oxidatoroxidatoroxidator means an oxidizer.Among words judged in Lexicurio's Arena, oxidator ranks #16,734 of 42,752 for Qualifying.EtymologyFrom oxidate + -or.nounAn oxidizer.A device for causing a current of air to brighten the flame of a gas lamp.Definitions & examples from Wiktionary (CC BY-SA 3.0).