Home › Words › T › thoriatethoriatethoriate means to add thorium or thorium oxide to (a substance) in order to increase its thermionic flow.Among words judged in Lexicurio's Arena, thoriate ranks #16,749 of 42,762 for Qualifying.EtymologyFrom thorium + -ate (verb-forming suffix).verbTo add thorium or thorium oxide to (a substance) in order to increase its thermionic flow.e.g.“One must thoriate the filament in order for it to be effective.”Definitions & examples from Wiktionary (CC BY-SA 3.0).