high explosive

plural high explosives

1. A chemical explosive capable of detonation rather than solely of deflagration; a chemical explosive capable of reacting at a sufficiently-fast rate to produce a shock wave which propagates the reaction throughout the explosive mass; a chemical explosive capable of producing an explosion even when unconfined.

   Having completed their task, Fireman Page telephoned from a lineside box to the next signal cabin, briefly reported the incident and said that, as no high explosive had dropped and the track was safe, they proposed proceeding "at caution".

   1944 July and August, “Top Link Drivers: XXI—Driver H. Blunt, L.N.E.R.”, in Railway Magazine, page 226

   1 more example

   But signalman Bridges was never to answer driver Gimbert's desperate question. A deafening, massive blast blew the wagon to shreds, the 44 high-explosive bombs exploding like simultaneous hits from the aircraft they should have been dropped from. The station was instantly reduced to bits of debris, and the line to a huge crater.

   2022 January 12, Benedict le Vay, “The heroes of Soham...”, in RAIL, number 948, page 43