noun: Acronym of triethylborane. ((C₂H₅)₃B) [(organic chemistry) An organometallic compound (formula B(C₂H₅)₃ or Et₃B) used in various chemical processes and as an ignitor for jet and rocket engines.]
noun: Initialism of triethylborate. (B(C₂H₅O)₃)
noun: Abbreviation of triethylbenzene. (C₆H₃(C₂H₅)₃)