1. a device used to trigger an explosion in a bomb, mine, or other explosive

Examples

• The bomb squad carefully removed the detonator from the explosive device.
• Mining crews use electronic detonators to control blasting operations.
• The detonator failed to work, preventing the planned demolition.
• Police found several detonators hidden in the suspect’s garage.
• The old detonator was too unstable to handle safely.
• Construction workers placed the detonator at a safe distance before the blast.