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Isolator in Irish (Aonraitheoir): Meaning, Pronunciation, Usage

The Irish for isolator is aonraitheoir, a masculine noun (plural aonraitheoirí).
Updated October 2026Report a mistake

How to say “isolator” in Irish

Irish:
aonraitheoir
English:
isolator
Word type:
noun
Gender:
masculine
Pronunciation:
“AYN-ree-hor”  /ˈeːnˠɾˠiˌhoːɾʲ/
Various forms
Plural:
aonraitheoirí (isolators)
Genitive singular:
aonraitheora, an aonraitheora (e.g. lasc an aonraitheora, the isolator switch)
Genitive plural:
aonraitheoirí, na n-aonraitheoirí (e.g. suiteáil na n-aonraitheoirí, the installation of the isolators)

What does “aonraitheoir” mean?

isolator
A device that keeps something electrically, thermally or physically separated from its surroundings.Also: isolating device, insulator.

“Aonraitheoir” with the article

The plural of isolator in Irish is aonraitheoirí. Here is aonraitheoir after the article (an t-alt), in the singular and the plural.

an t-aonraitheoir
the isolator
Masculine nouns take t before a vowel after an
na haonraitheoirí
the isolators
Plural: na adds h before a vowel

“Aonraitheoir” in a sentence: Irish examples

Common Irish sentences using aonraitheoir, the Irish word for isolator.

Tá aonraitheoir ar an gciorcad seo.
There is an isolator on this circuit.
Múch an t-aonraitheoir sula dtosaíonn tú.
Switch off the isolator before you start.
Bhris lasc an aonraitheora inné.
The isolator switch broke yesterday.
Cheannaigh an leictreoir dhá aonraitheoir nua.
The electrician bought two new isolators.
Tá na haonraitheoirí sa bhosca thall.
The isolators are in the box over there.
Cá bhfuil an t-aonraitheoir don chithfholcadán?
Where is the isolator for the shower?
Úsáidtear aonraitheoir chun an trealamh a chosaint.
An isolator is used to protect the equipment.

Other nouns in Irish

More everyday Irish nouns to learn next.

Isolator in Irish: frequently asked questions

What is the Irish for isolator?

The Irish for isolator is aonraitheoir (pronounced “AYN-ree-hor”). It’s a masculine noun and the plural is aonraitheoirí.

How do you pronounce aonraitheoir in Irish?

Aonraitheoir is said like “AYN-ree-hor” (IPA /ˈeːnˠɾˠiˌhoːɾʲ/).

What is the plural of isolator in Irish?

The plural of aonraitheoir is aonraitheoirí; with the article, na haonraitheoirí means “the isolators”. The genitive plural is aonraitheoirí, as in suiteáil na n-aonraitheoirí (the installation of the isolators).

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-aonraitheoir (the isolator), a haonraitheoir (her isolator), a n-aonraitheoir (their isolator), na haonraitheoirí (the isolators).

Is 'aonraitheoir' the same as 'inslitheoir'?

Not quite: 'aonraitheoir' is an isolator that separates or cuts off a part, while 'inslitheoir' is an insulator, a material that does not conduct.

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