Home › Words › T › thermoventthermoventthermovent · noun — A thermal vent.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, thermovent ranks #10,503 of 42,824 for Qualifying.EtymologyFrom thermo- + vent.nounA thermal ventDefinitions & examples from Wiktionary (CC BY-SA 3.0).