Wiktionary
cyclonite
n. (context organic compound English) An explosive ''1,3,5-trinitroperhydro-1,3,5-triazine'' more often known as RDX
Usage examples of "cyclonite".
The RXD 1, cyclonite hexogen, T 9, was a liquid plastic that was the latest thing.
One of them was packed with explosives: gelignite, and blocks of something that looked like butter, but was in fact Cyclonite in a plasticising medium - plastic explosive.
It could be anything: C3, C4, Cyclonite, TNT, picric acid, gelignite, dynamite, Tetryl, Amatol, any one of a dozen sensitive chemicals.