Explosives are a class of highly dangerous and volatile substances used for various applications such as mining, construction and military purposes. Synonyms for explosives include detonators, firepower, pyrotechnics, munitions, dynamite, black powder, and nitroglycerin. Detonators are devices that initiate the reaction of explosives by releasing energy. Firepower refers to the capacity of explosives to cause destruction by releasing energy. Pyrotechnics refers to explosives used for creating special effects for entertainment purposes. Munitions are a general term for weapons, including explosives. Dynamite and black powder are types of explosives used for construction purposes. Nitroglycerin is a powerful explosive used in the mining industry.