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Gas in Irish (Gás): Meaning, Pronunciation, Usage

‘gás’ also means: paraffin oil

The Irish for gas is gás, a masculine noun (plural gáis).
Updated October 2026Report a mistake

How to say “gas” in Irish

Irish:
gás
English:
gas, paraffin oil
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“gawss”  /ɡɑːsˠ/
Various forms
Plural:
gáis (gases)
Genitive singular:
gáis, an gháis (e.g. bille an gháis, the gas bill)
Genitive plural:
gás, na ngás (e.g. meascán na ngás, the mixture of gases)

What does “gás” mean?

“Gás” has two alternative meanings. The most common comes first.

gas
A substance like air that is neither solid nor liquid, especially one burned as fuel for heating or cooking.Also: natural gas, gas fuel, vapour.
1 other meaning: paraffin oil
2paraffin oil
In some areas, paraffin oil used for lamps or heaters.Also: paraffin, kerosene.

“Gás” with the article

The plural of gas in Irish is gáis. Here is gás after the article (an t-alt), in the singular and the plural.

an gás
the gas
No change after an
na gáis
the gases
Plural: no change after na

“Gás” in a sentence: Irish examples

Common Irish sentences using gás, the Irish word for gas.

Tá boladh gáis sa chistin.
There's a smell of gas in the kitchen.
Múch an gás sula bhfágann tú an teach.
Turn off the gas before you leave the house.
Tháinig fear an gháis chun an méadar a léamh.
The gas man came to read the meter.
Is gáis iad ocsaigin agus nítrigin.
Oxygen and nitrogen are gases.
Tá mo chócaireán ag rith ar ghás.
My cooker runs on gas.
Fuarthas gás nádúrtha amach ón gcósta.
Natural gas was found off the coast.
Tá praghas an gháis ag ardú arís.
The price of gas is going up again.

Other nouns in Irish

More everyday Irish nouns to learn next.

Gas in Irish: frequently asked questions

What is the Irish for gas?

The Irish for gas is gás (pronounced “gawss”). It’s a masculine noun and the plural is gáis. Depending on context it can also mean paraffin oil.

How do you pronounce gás in Irish?

Gás is said like “gawss” (IPA /ɡɑːsˠ/).

What is the plural of gas in Irish?

The plural of gás is gáis; with the article, na gáis means “the gases”. The genitive plural is gás, as in meascán na ngás (the mixture of gases).

Does gás have more than one meaning?

Yes. Gás can mean gas or paraffin oil, depending on context; the first is the most common.

Why does gás change to ghás or ngás?

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

Does 'gás' mean petrol, as 'gas' does in American English?

No, petrol is 'peitreal' in Irish; 'gás' is gas as a fuel or a gaseous substance.

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