# semtex

> English word · Noun · IPA /ˈsɛm.tɛks/ · frequency rank #96,464

## Definitions
1. A highly malleable general-purpose plastic explosive.

## Etymology
Genericized trademark Semtex, derived from the Czech name of the suburb of Pardubice where it was manufactured, Semtín, and ex(plosive).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/semtex