Semtex

[ sem-teks ]
/ ˈsɛm tɛks /
|

noun

a plastic explosive that is easily tractable and almost odorless, used especially by terrorists.

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)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for semtex

Semtex

/ (ˈsɛmtɛks) /

noun

a pliable plastic explosive originally produced in the Czech Republic

Word Origin for Semtex

C20: originally a trade name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012