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
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
But according to the BBC's DJ Semtex collaboration is not only something that artists do all the time, it's actually a good thing.
From BBC ● Aug. 5, 2014
Tomorrow's general election has spurred social commentary from noted grime bloggers like Hyperfrank, while hip-hop DJ Semtex has been tweeting on the importance of reading each party's manifesto and giving them all a fair hearing.
From The Guardian ● May 5, 2010
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.