high_explosive has definitions from the field of arms
[ noun ] (arms) a powerful chemical explosive that produces gas at a high rate

Used in print

(LeRoy Fothergill, "Biological Warfare", in Peter...)

They do not destroy physical_structures as is true of high_explosives .

(Clayton C. Barbeau, The Ikon....)

Between the ponderous hulk and himself , in the valley over which Papa-san reigned , men had hidden high_explosives , booby_traps , and mines .