Semtex
Americannoun
noun
Etymology
Origin of Semtex
1980–85; name given by the manufacturer; probably from Semt(ín), town in the Czech Republic where it is made + ex(plosive)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While authorities have not named the type of explosive, unconfirmed media reports have said it was Semtex, a plastic explosive with industrial and military uses.
From Barron's ● Aug. 7, 2026
His departure comes weeks after DJ Semtex announced that he was leaving 1Xtra after 15 years working for the station.
From BBC ● Oct. 3, 2018
Brains have the consistency of Semtex, he says: “You wouldn’t get it past security.”
From The Guardian ● Jun. 3, 2017
TSA trainers began the dogs’ instruction by teaching them to recognize the scents of various chemicals that are commonly used in explosives such as TNT, C4, commercial dynamite and Semtex.
From Seattle Times ● May 31, 2016
T.S.A. trainers began the dogs’ instruction by teaching them to recognize the scent of various chemicals that are commonly used in explosives such as TNT, C4, commercial dynamite and Semtex.
From New York Times ● May 31, 2016
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