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) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for semtex

Contemporary Examples of semtex

British Dictionary definitions for semtex


  1. 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