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Mains in Irish (Príomhlíonra): Meaning, Pronunciation, Usage

The Irish for mains is príomhlíonra, a masculine noun.
Updated October 2026Report a mistake

How to say “mains” in Irish

Irish:
príomhlíonra
English:
mains
Word type:
noun
Gender:
masculine
Pronunciation:
“PREEV-leen-ruh”  /ˈpɾʲiːvˌlʲiːnˠɾˠə/
Various forms
Genitive singular:
príomhlíonra, an phríomhlíonra (e.g. voltas an phríomhlíonra, mains voltage)

What does “príomhlíonra” mean?

mains
The main supply network, especially the mains electricity or water supply that buildings are connected to.Also: mains supply, main network, mains electricity, grid.

“Príomhlíonra” with the article

Here is príomhlíonra after the article (an t-alt).

an príomhlíonra
the mains
No change after an

“Príomhlíonra” in a sentence: Irish examples

Common Irish sentences using príomhlíonra, the Irish word for mains.

Tá an teach ceangailte leis an bpríomhlíonra.
The house is connected to the mains.
Ná cuir an gléas sin isteach sa phríomhlíonra.
Don't plug that device into the mains.
Múch an príomhlíonra sula n-oibríonn tú ar na sreanga.
Switch off the mains before you work on the wires.
Oibríonn an raidió ar chadhnraí nó ar phríomhlíonra.
The radio runs on batteries or on mains power.
Bhí an príomhlíonra as feidhm ar feadh uair an chloig.
The mains was down for an hour.
Tá voltas an phríomhlíonra ard go leor le duine a mharú.
Mains voltage is high enough to kill a person.
Níl príomhlíonra ar bith ar an oileán sin.
There is no mains supply on that island.

Other nouns in Irish

More everyday Irish nouns to learn next.

Mains in Irish: frequently asked questions

What is the Irish for mains?

The Irish for mains is príomhlíonra (pronounced “PREEV-leen-ruh”). It’s a masculine noun.

How do you pronounce príomhlíonra in Irish?

Príomhlíonra is said like “PREEV-leen-ruh” (IPA /ˈpɾʲiːvˌlʲiːnˠɾˠə/).

Does príomhlíonra have a plural?

No plural form is given for príomhlíonra in the standard. Many abstract and mass nouns in Irish have no plural.

Why does príomhlíonra change to phríomhlíonra or bpríomhlíonra?

Irish changes the start of some words after certain words. After mo (my) príomhlíonra becomes mo phríomhlíonra (lenition), and after ár (our) or i (in) it becomes ár bpríomhlíonra (eclipsis).

How is 'príomhlíonra' different from 'líonra'?

'Líonra' is any network, including computer networks, while 'príomhlíonra' is specifically the main supply, such as mains electricity.

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