Explosive device

A stick of dynamite
  1. Diatomaceous earth (or any other type of absorbent material) soaked in nitroglycerin
  2. Protective coating surrounding the explosive material
  3. Blasting cap
  4. Wire connected to the blasting cap

An explosive device typically refers to a bomb that is not used by a military. It contains an explosive with a detonator connected to a triggering mechanism to form a device used for a specific purpose.