from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A highly malleable plastic explosive.


from The American Heritage® Dictionary of the English Language, 4th Edition

Semt(ín), village in the Czech Republic where the explosive is manufactured + English ex(plosive).


  • You can find it by yourself, by itself, or if you look at -- we have heard of Semtex, which is explosive that Tom will tell you is also used in the Middle East quite a bit, also was used by the Republic -- IRA over the years.

    CNN Transcript Dec 28, 2009

  • McTigue also recognized something else as he examined the car bomb: a plastic explosive called Semtex from Czechoslovakia. Homepage

  • The e-cell bomb, which contained a plastic explosive called Semtex from Czechoslovakia, became the signature weapon of several Palestinian terrorist organizations, AP reported.

    Political Mavens

  • The mild-mannered Winner handled the frustration in a way countryman Paul 'Semtex' Daley was unable to in May.

    Elliot Worsell: Wrestling with Demons in UFC

  • They were mighty proud, too -- the name 'Semtex' comes from a suburb of Prague.

    Archive 2005-07-10

  • “It’s a military-grade explosive called Semtex,” the man said.

    Gideon’s war

  • "Semtex" sliced his way to a verbal tap out in the third round after landing a nasty elbow from the Brazilian's guard.

    MMA Mania

  • "Semtex" tried to get back to his feet, but Koscheck responded with a slam to the mat.

    UFC Press Releases

  • Shark Fights 13 weigh in results from Amarillo: 'Semtex' Daley misses weight

    MMA Mania

  • Telegraph is reporting that "Semtex" has been locked down by the Zuffa brass for six more fights.

    MMA Mania


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