Home › Words › R › rhizotoxinrhizotoxinrhizotoxin · noun — any rhizotoxic material.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, rhizotoxin ranks #36,243 of 42,834 for Qualifying.EtymologyFrom rhizo- + toxin.nounAny rhizotoxic materialDefinitions & examples from Wiktionary (CC BY-SA 3.0).