detonator

/ˈdetəneɪtə(r)/ (bre, ipa) · /ˈdetəneɪtər/ (ame, ipa) · /ˈde-tᵊn-ˌā-tər -tə-ˌnā-/ (ame, mw)

detonator — 名詞

  • detonatorsingular
  • detonatorsplural

1. a small device that creates a spark or a minor explosion, which in turn sets off

1.名詞B2
釋義

雷管

用於引爆炸藥的裝置

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.

例句

Fatima discovered the detonator hidden inside the toy car before it could cause any harm.

Fatima 在玩具車裡發現了隱藏的雷管，及時避免了傷害。

detonator hidden inside [object] — bomb-disarming context

The technician replaced the old detonator with a newer model that worked from a safer distance.

技術人員將舊的雷管更換為新型號，這種型號能在更遠的安全距離外引爆。

replace + detonator + model — technical vocabulary

同義詞
  • 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.

常見錯誤

❌He pressed the detonator and the engine started.
✅He pressed the starter button and the engine started.
💡'detonator' is only for explosives, not for starting vehicles or machines.