Definition of Semtex in English:

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Semtex

Pronunciation: /ˈsɛmtɛks/

noun

[mass noun]
A very pliable, odourless plastic explosive.
Example sentences
  • Three minutes later, the screener noticed that the explosive trace detection machine indicated a positive alert for Semtex, a plastic explosive, from the laptop.
  • The grenade launcher, for instance, transformed the striking power of small fighting groups; plastic explosives like Semtex were a similar boon.
  • Ms Murphy is still haunted by the memory of how Hindawi tried to send her to her death by packing her hand luggage with Semtex plastic explosives.

Origin

1980s: probably a blend of Semtin (the name of a village in the Czech Republic near the place of production) and explosive.

For editors and proofreaders

Line breaks: Sem¦tex

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