Home › Words › T › tectonicisttectonicisttectonicist means A geologist who studies tectonics.Among words judged in Lexicurio's Arena, tectonicist ranks #16,730 of 42,747 for Qualifying.EtymologyFrom tectonic + -ist.nounA geologist who studies tectonics.Definitions & examples from Wiktionary (CC BY-SA 3.0).