detonator

• Dispositif mécanique ou électrique, ou petite charge explosive, utilisé pour déclencher une explosion plus puissante.

A mechanical or electrical device, or a small explosive charge, used to trigger a larger explosive reaction.

1. Explosive initiatorC1formal

   A device, either mechanical or electrical, containing a small amount of explosive, used to trigger a larger explosive reaction.

   Détonateur

   • The bomb squad carefully disarmed the detonator.
   • The detonator failed to ignite the main charge.
   • Engineers used a remote detonator to blast the rock.

   Synonymesblasting capcapprimer