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Alveolus in Irish (Ailbheolas): Meaning, Pronunciation, Usage

The Irish for alveolus is ailbheolas, a masculine noun.
Updated October 2026Report a mistake

How to say “alveolus” in Irish

Irish:
ailbheolas
English:
alveolus
Word type:
noun
Gender:
masculine
Pronunciation:
“AL-uh-vyoh-lus”  /ˈalʲəvʲoːləs/
Various forms
Genitive singular:
ailbheolais, an ailbheolais (e.g. balla an ailbheolais, the wall of the alveolus)

What does “ailbheolas” mean?

alveolus
A small cavity or socket in the body, such as a tooth socket or a tiny air sac in the lungs.Also: air sac, tooth socket, alveoli.

“Ailbheolas” with the article

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

an t-ailbheolas
the alveolus
Masculine nouns take t before a vowel after an

“Ailbheolas” in a sentence: Irish examples

Common Irish sentences using ailbheolas, the Irish word for alveolus.

Is cuas beag sa scamhóg é ailbheolas.
An alveolus is a small cavity in the lung.
Tarlaíonn malartú gás san ailbheolas.
Gas exchange happens in the alveolus.
Tá balla an ailbheolais an-tanaí.
The wall of the alveolus is very thin.
Tá an fhiacail suite in ailbheolas sa chorrán.
The tooth sits in a socket in the jaw.
Mhínigh an múinteoir cad is ailbheolas ann.
The teacher explained what an alveolus is.
Téann an ocsaigin isteach san fhuil tríd an ailbheolas.
Oxygen enters the blood through the alveolus.
Chonaiceamar pictiúr den ailbheolas sa leabhar bitheolaíochta.
We saw a picture of the alveolus in the biology book.

Other nouns in Irish

More everyday Irish nouns to learn next.

Alveolus in Irish: frequently asked questions

What is the Irish for alveolus?

The Irish for alveolus is ailbheolas (pronounced “AL-uh-vyoh-lus”). It’s a masculine noun.

How do you pronounce ailbheolas in Irish?

Ailbheolas is said like “AL-uh-vyoh-lus” (IPA /ˈalʲəvʲoːləs/).

Does ailbheolas have a plural?

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

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-ailbheolas (the alveolus), a hailbheolas (her alveolus), a n-ailbheolas (their alveolus).

Is 'ailbheolas' related to 'eolas' (knowledge)?

No, despite the spelling, 'ailbheolas' is a borrowing of Latin 'alveolus' and has nothing to do with 'eolas'.

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