detonator
/ˈdetəneɪtə(r)/ (bre, ipa) · /ˈdetəneɪtər/ (ame, ipa) · /ˈde-tᵊn-ˌā-tər -tə-ˌnā-/ (ame, mw)
detonator — noun
- detonatorsingular
- detonatorsplural
1. a small device that creates a spark or a minor explosion, which in turn sets off
a small device that creates a spark or a minor explosion, which in turn sets off a much larger explosion; used inside bombs, in mining, and in controlled demolition to bring down buildings.
Fatima discovered the detonator hidden inside the toy car before it could cause any harm.
detonator hidden inside [object] — bomb-disarming context
The technician replaced the old detonator with a newer model that worked from a safer distance.
replace + detonator + model — technical vocabulary
Liam trained for months to learn how to attach a detonator to the main explosive charge during demolition work.
- trigger
a more general term for anything that starts a process; less technical than 'detonator'
- firing device
a broader technical term used in military contexts for any mechanism that sets off a weapon
- blasting cap
a specific type of detonator used in mining and quarrying; more specialised
用法筆記
Frequently used in technical and security contexts. In news reports, 'detonator' often refers to the triggering device inside a bomb that fails or is removed before detonation.