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Definition of detonator

detonator

/ˈdɛtəˌneɪtər/
det · o · na · tor
Plural:detonators
•
Adjective:detonative
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detonator Lexical Profile

detonator Game Scores & Validity

• noun

1

A device or small sensitive charge used to trigger a larger explosive, such as in mining, quarrying, or structural demolition.

Example

"The demolition crew carefully wired the electronic detonator before clearing the construction site."

2

British A small explosive warning device placed on a railway track that produces a loud report when crushed by the wheel of a passing train to alert the driver of danger ahead.

Example

"In thick fog, the railway signalman clipped a track detonator to the rail to warn the approaching locomotive."

Synonyms
View all synonyms for detonator

• Nearby Words

detian falls
detonate
detonation
detonator
detour
detox
detoxication

Word Origin & Etymology

Coined in the early 19th century from the verb 'detonate', which derives from the Latin 'detonare' ('to thunder down'), formed from 'de-' (down) and 'tonare' (to thunder).

Cite this Entry

Wordmom. (2026). Definition of Detonator. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/detonator
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