det·o·na·tor /ˈdɛtṇˌetɚ/
雷管
Det·o·na·tor 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.]
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detonator
n : a mechanical or electrical explosive device or a small
amount of explosive; can be used to initiate the reaction
of a disrupting explosive [syn: detonating device, cap]