triethylboronEtymologyFrom triethyl + boron.triethylboron means Synonym of triethylborane (B(C₂H₅)₃ or Et₃B) Lexicurio rates it Sui generis — a strength score of 85 out of 100.nounSynonym of triethylborane (B(C₂H₅)₃ or Et₃B)