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Galaxy in Irish (Réaltra): Meaning, Pronunciation, Usage

The Irish for galaxy is réaltra, a masculine noun (plural réaltraí).
Updated October 2026Report a mistake

How to say “galaxy” in Irish

Irish:
réaltra
English:
galaxy
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“RAYL-truh”  /ˈɾˠeːl̪ˠt̪ˠɾˠə/
Various forms
Plural:
réaltraí (galaxies)
Genitive singular:
réaltra, an réaltra (e.g. lár an réaltra, the centre of the galaxy)
Genitive plural:
réaltraí, na réaltraí (e.g. braisle na réaltraí, the cluster of galaxies)

What does “réaltra” mean?

galaxy
A huge system of millions or billions of stars, gas and dust held together by gravity.Also: star system, milky way.

“Réaltra” with the article

The plural of galaxy in Irish is réaltraí. Here is réaltra after the article (an t-alt), in the singular and the plural.

an réaltra
the galaxy
No change after an
na réaltraí
the galaxies
Plural: no change after na

“Réaltra” in a sentence: Irish examples

Common Irish sentences using réaltra, the Irish word for galaxy.

Is réaltra ollmhór é Bealach na Bó Finne.
The Milky Way is a huge galaxy.
Tá billiúin réaltaí sa réaltra seo.
There are billions of stars in this galaxy.
An bhfuil an ghrian i lár ár réaltra? Níl.
Is the sun in the centre of our galaxy? No.
Chonaic an t-eolaí réaltra nua tríd an teileascóp.
The scientist saw a new galaxy through the telescope.
Tá na réaltraí ag imeacht óna chéile.
The galaxies are moving away from each other.
Tá poll dubh i lár an réaltra.
There is a black hole at the centre of the galaxy.
Cé mhéad réaltra atá sa chruinne?
How many galaxies are there in the universe?

Other nouns in Irish

More everyday Irish nouns to learn next.

Galaxy in Irish: frequently asked questions

What is the Irish for galaxy?

The Irish for galaxy is réaltra (pronounced “RAYL-truh”). It’s a masculine noun and the plural is réaltraí.

How do you pronounce réaltra in Irish?

Réaltra is said like “RAYL-truh” (IPA /ˈɾˠeːl̪ˠt̪ˠɾˠə/).

What is the plural of galaxy in Irish?

The plural of réaltra is réaltraí; with the article, na réaltraí means “the galaxies”. The genitive plural is réaltraí, as in braisle na réaltraí (the cluster of galaxies).

What is the difference between réaltra and réalta?

Réalta is a single star, while réaltra is a galaxy, a vast system of stars. Our own galaxy is called Bealach na Bó Finne.

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