Home › Words › T › tephrosintephrosintephrosin means A natural piscicide found in the leaves and seeds of Tephrosia purpurea.Among words judged in Lexicurio's Arena, tephrosin ranks #16,730 of 42,747 for Qualifying.EtymologyFrom Tephrosia + -in.nounA natural piscicide found in the leaves and seeds of Tephrosia purpurea.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.piscicidal 62% match — Acting as a piscicide; fatal to fish. vs tephrosin →teretoxin 57% match — Any toxin produced by terebrids vs tephrosin →pelletierine 56% match — An alkaloid obtained from pomegranate bark and used as a taenifuge. vs tephrosin →piscidin 56% match — Any of a group of antimicrobial peptides present in fish vs tephrosin →procymidone 56% match — A pesticide often used for killing ferns and nettles. vs tephrosin →ichthyotoxic 55% match — toxic to fish vs tephrosin →pisatin 54% match — A pterocarpan found in the pea plant Pisum sativum. vs tephrosin →pleurocidin 54% match — A piscidin present in flounders of the genus Pleuronectes. vs tephrosin →