blasting cap

1. 1.

   a small tube filled with detonating substances; used to detonate high explosives

   Broaderdetonator

   Partsmercury fulminate

Questions about blasting cap

What does blasting cap mean?

blasting cap means "a small tube filled with detonating substances; used to detonate high explosives".

Is blasting cap a common word?

blasting cap is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.