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Reactor in Irish (Imoibreoir): Meaning, Pronunciation, Usage

The Irish for reactor is imoibreoir, a masculine noun (plural imoibreoirí).
Updated October 2026Report a mistake

How to say “reactor” in Irish

Irish:
imoibreoir
English:
reactor
Word type:
noun
Gender:
masculine
Pronunciation:
“IM-ib-ryoh-ir”  /ˈɪmʲɪbʲrʲoːrʲ/
Various forms
Plural:
imoibreoirí (reactors)
Genitive singular:
imoibreora, an imoibreora (e.g. croí an imoibreora, the core of the reactor)
Genitive plural:
imoibreoirí, na n-imoibreoirí (e.g. sábháilteacht na n-imoibreoirí, the safety of the reactors)

What does “imoibreoir” mean?

reactor
An apparatus in which a nuclear or chemical reaction is carried out and controlled, especially to produce energy.Also: nuclear reactor, chemical reactor.

“Imoibreoir” with the article

The plural of reactor in Irish is imoibreoirí. Here is imoibreoir after the article (an t-alt), in the singular and the plural.

an t-imoibreoir
the reactor
Masculine nouns take t before a vowel after an
na himoibreoirí
the reactors
Plural: na adds h before a vowel

“Imoibreoir” in a sentence: Irish examples

Common Irish sentences using imoibreoir, the Irish word for reactor.

Tógadh imoibreoir nua in aice leis an gcathair.
A new reactor was built near the city.
Múchadh an t-imoibreoir tar éis na timpiste.
The reactor was shut down after the accident.
Bhí teocht an imoibreora ró-ard.
The reactor's temperature was too high.
Níl aon imoibreoirí núicléacha in Éirinn.
There are no nuclear reactors in Ireland.
Oibríonn sé i seomra rialaithe an imoibreora.
He works in the reactor control room.
Tharla sceitheadh san imoibreoir aréir.
A leak happened in the reactor last night.
Is imoibreoir ceimiceach é seo, ní núicléach.
This is a chemical reactor, not a nuclear one.

Other nouns in Irish

More everyday Irish nouns to learn next.

Reactor in Irish: frequently asked questions

What is the Irish for reactor?

The Irish for reactor is imoibreoir (pronounced “IM-ib-ryoh-ir”). It’s a masculine noun and the plural is imoibreoirí.

How do you pronounce imoibreoir in Irish?

Imoibreoir is said like “IM-ib-ryoh-ir” (IPA /ˈɪmʲɪbʲrʲoːrʲ/).

What is the plural of reactor in Irish?

The plural of imoibreoir is imoibreoirí; with the article, na himoibreoirí means “the reactors”. The genitive plural is imoibreoirí, as in sábháilteacht na n-imoibreoirí (the safety of the reactors).

Why does imoibreoir sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-imoibreoir (the reactor), a himoibreoir (her reactor), a n-imoibreoir (their reactor), na himoibreoirí (the reactors).

How is 'imoibreoir' related to 'imoibriú'?

'Imoibriú' means reaction, from the verb 'imoibrigh' (react), and 'imoibreoir' is the device in which the reaction takes place.

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