Home › Words › T › torpextorpextorpex means A secondary explosive made from RDX, TNT, and powdered aluminium, used in World War II.Among words judged in Lexicurio's Arena, torpex ranks #37,340 of 42,762 for Qualifying.EtymologyShort for torpedo explosive, since it was originally developed for use in torpedoes.nounA secondary explosive made from RDX, TNT, and powdered aluminium, used in World War II.Definitions & examples from Wiktionary (CC BY-SA 3.0).