Definition of panclastite in US English:

panclastite

noun

rare
  • A high explosive formed by the reaction of nitrogen dioxide and carbon disulphide.

Origin

Late 19th century; earliest use found in The English Mechanic. From French panclastite from pan- + ancient Greek κλαστός broken or -κλαστης breaker + French -ite.

Pronunciation

panclastite

/ˌpanˈklastʌɪt/