(1):
(n.) An explosive whose action is practically instantaneous.
(2):
(n.) A case containing detonating powder, the explosion of which serves as a signal, as on railroads.
(3):
(n.) Something used to detonate a charge, as a detonating fuse.
(4):
(n.) A gun fired by a percussion cap.
(5):
(n.) One that detonates
(6):
(n.) One who, or that which, detonates.