Definitions for semtexˈsɛm tɛks
This page provides all possible meanings and translations of the word semtex
Random House Webster's College Dictionary
a plastic explosive that is easily tractable and largely odorless, used esp. by terrorists.
Category: Military, Government
Origin of Semtex:
1980–85; name given by manufacturer; prob. from Semtín, town in Czech Republic where made +ex(plosive)
A highly malleable general purpose plastic explosive
Origin: Genericized trademark Semtex, which was formed by combining the name Semtín (a suburb of Pardubice where the manufacturer is located) with explosive.
Semtex is a general-purpose plastic explosive containing RDX and PETN. It is used in commercial blasting, demolition, and in certain military applications. Semtex became notoriously popular with terrorists because it was, until recently, extremely difficult to detect, as in the case of Pan Am Flight 103. Another popular explosive with terrorists is TNT + PETN because it is cap sensitive. Terrorists often don't have access to the more sophisticated detonators needed to detonate cap insensitive explosives such as Semtex. For its original military use it was manufactured under the name B 1. It has been manufactured under its current name since 1964, labeled as SEMTEX 1A, since 1967 as SEMTEX H and since 1987 as SEMTEX 10.
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