detonator

Noun
Synonyms: detonating devicecap

WordNet 3.0

Noun (1)

  1. a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosiveSynonyms: detonating devicecap
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Webster's Dictionary (GCIDE)

Detonator \Det"o*na`tor\ (d[e^]t"[-o]*n[=a]`t[~e]r), n. One that detonates; specif.: (a) An explosive whose action is practically instantaneous. (b) Something used to detonate a charge, as a detonating fuse. (c) A case containing detonating powder, the explosion of which serves as a signal, as on railroads. (d) A gun fired by a percussion cap. [Obs.] [Webster 1913 Suppl.]
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