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Detonator in Irish (Maidhmitheoir): Meaning, Pronunciation, Usage

The Irish for detonator is maidhmitheoir, a masculine noun (plural maidhmitheoirí).
Updated October 2026Report a mistake

How to say “detonator” in Irish

Irish:
maidhmitheoir
English:
detonator
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“MY-hih-hyohr”  /ˈmˠaiːhəhoːɾʲ/
Various forms
Plural:
maidhmitheoirí (detonators)
Genitive singular:
maidhmitheora, an mhaidhmitheora (e.g. sreang an mhaidhmitheora, the detonator's wire)
Genitive plural:
maidhmitheoirí, na maidhmitheoirí (e.g. bosca na maidhmitheoirí, the box of the detonators)

What does “maidhmitheoir” mean?

detonator
A device used to set off an explosive charge.Also: fuse, exploder, blasting cap.

“Maidhmitheoir” with the article

The plural of detonator in Irish is maidhmitheoirí. Here is maidhmitheoir after the article (an t-alt), in the singular and the plural.

an maidhmitheoir
the detonator
No change after an
na maidhmitheoirí
the detonators
Plural: no change after na

“Maidhmitheoir” in a sentence: Irish examples

Common Irish sentences using maidhmitheoir, the Irish word for detonator.

Fuair na gardaí maidhmitheoir sa charr.
The guards found a detonator in the car.
Bhain an saighdiúir an maidhmitheoir den bhuama.
The soldier removed the detonator from the bomb.
Ní raibh sreang an mhaidhmitheora ceangailte.
The detonator's wire wasn't connected.
Coinnítear na maidhmitheoirí ar leith ón bpléascán.
The detonators are kept separate from the explosive.
Bhí maidhmitheoir leictreach i gceist sa phléasc.
An electric detonator was involved in the explosion.
Gabhadh é le roinnt maidhmitheoirí ina sheilbh.
He was arrested with some detonators in his possession.
Theip ar an maidhmitheoir agus níor phléasc an buama.
The detonator failed and the bomb didn't explode.

Other nouns in Irish

More everyday Irish nouns to learn next.

Detonator in Irish: frequently asked questions

What is the Irish for detonator?

The Irish for detonator is maidhmitheoir (pronounced “MY-hih-hyohr”). It’s a masculine noun and the plural is maidhmitheoirí.

How do you pronounce maidhmitheoir in Irish?

Maidhmitheoir is said like “MY-hih-hyohr” (IPA /ˈmˠaiːhəhoːɾʲ/).

What is the plural of detonator in Irish?

The plural of maidhmitheoir is maidhmitheoirí; with the article, na maidhmitheoirí means “the detonators”. The genitive plural is maidhmitheoirí, as in bosca na maidhmitheoirí (the box of the detonators).

Why does maidhmitheoir change to mhaidhmitheoir?

After words like mo (my) and do (your) the first letter is lenited: mo mhaidhmitheoir. After ár (our) it stays ár maidhmitheoir, because m does not take eclipsis.

What word is maidhmitheoir built from?

It comes from the verb maidhm, 'burst, explode', with the agent suffix -eoir, so a maidhmitheoir is the thing that sets off the burst.

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