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Acetylene in Irish (Aicéitiléin): Meaning, Pronunciation, Usage

The Irish for acetylene is aicéitiléin, a feminine noun.
Updated October 2026Report a mistake

How to say “acetylene” in Irish

Irish:
aicéitiléin
English:
acetylene
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“a-KAY-ti-lay-in”  /aˈceːtʲɪlʲeːnʲ/
Various forms
Genitive singular:
aicéitiléine, na haicéitiléine (e.g. lasair aicéitiléine, acetylene flame)

What does “aicéitiléin” mean?

acetylene
A colourless gas that burns with a very hot flame and is used in welding and cutting metal.Also: acetylene gas, ethyne.

“Aicéitiléin” with the article

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

an aicéitiléin
the acetylene
No change: feminine nouns starting with a vowel keep their form after an

“Aicéitiléin” in a sentence: Irish examples

Common Irish sentences using aicéitiléin, the Irish word for acetylene.

Is gás an-inlasta í aicéitiléin.
Acetylene is a highly flammable gas.
Úsáidtear an aicéitiléin chun miotal a tháthú.
Acetylene is used to weld metal.
Tá sorcóir aicéitiléine sa cheardlann.
There is an acetylene cylinder in the workshop.
Bíonn lasair aicéitiléine an-te ar fad.
An acetylene flame is extremely hot.
Coinnigh an aicéitiléin i bhfad ó thine.
Keep the acetylene well away from fire.
Bhí boladh láidir aicéitiléine san aer.
There was a strong smell of acetylene in the air.
Tá aicéitiléin agus ocsaigin sa tóirse sin.
That torch uses acetylene and oxygen.

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Acetylene in Irish: frequently asked questions

What is the Irish for acetylene?

The Irish for acetylene is aicéitiléin (pronounced “a-KAY-ti-lay-in”). It’s a feminine noun.

How do you pronounce aicéitiléin in Irish?

Aicéitiléin is said like “a-KAY-ti-lay-in” (IPA /aˈceːtʲɪlʲeːnʲ/).

Does aicéitiléin have a plural?

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

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

Irish nouns beginning with a vowel take a prefix after certain words: an aicéitiléin (the acetylene), a haicéitiléin (her acetylene), a n-aicéitiléin (their acetylene).

What is acetylene welding called in Irish?

It can be expressed as táthú aicéitiléine, using the genitive aicéitiléine after the noun táthú.

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