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Solar system in Irish (Grianchóras): Meaning, Pronunciation, Usage

The Irish for solar system is grianchóras, a masculine noun (plural grianchórais).
Updated October 2026Report a mistake

How to say “solar system” in Irish

Irish:
grianchóras
English:
solar system
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“GREE-uhn-khoh-ruhs”  /ˈɟɾʲiənˌxoːɾˠəsˠ/
Various forms
Plural:
grianchórais (solar systems)
Genitive singular:
grianchórais, an ghrianchórais (e.g. pláinéid an ghrianchórais, the planets of the solar system)
Genitive plural:
grianchóras, na ngrianchóras (e.g. pláinéid na ngrianchóras, the planets of the solar systems)

What does “grianchóras” mean?

solar system
The sun together with the planets, moons and other bodies that orbit it.Also: sun's system, planetary system.

“Grianchóras” with the article

The plural of solar system in Irish is grianchórais. Here is grianchóras after the article (an t-alt), in the singular and the plural.

an grianchóras
the solar system
No change after an
na grianchórais
the solar systems
Plural: no change after na

“Grianchóras” in a sentence: Irish examples

Common Irish sentences using grianchóras, the Irish word for solar system.

Tá ocht bpláinéad sa ghrianchóras.
There are eight planets in the solar system.
Is í an ghrian lár an ghrianchórais.
The sun is the centre of the solar system.
Rinneamar samhail den ghrianchóras ar scoil.
We made a model of the solar system at school.
Is é Iúpatar an pláinéad is mó sa ghrianchóras.
Jupiter is the largest planet in the solar system.
An bhfuil grianchórais eile sa réaltra?
Are there other solar systems in the galaxy?
Is aoibhinn liom leabhair faoin ngrianchóras.
I love books about the solar system.
Cén aois atá ag an ngrianchóras?
How old is the solar system?

Other nouns in Irish

More everyday Irish nouns to learn next.

Solar system in Irish: frequently asked questions

What is the Irish for solar system?

The Irish for solar system is grianchóras (pronounced “GREE-uhn-khoh-ruhs”). It’s a masculine noun and the plural is grianchórais.

How do you pronounce grianchóras in Irish?

Grianchóras is said like “GREE-uhn-khoh-ruhs” (IPA /ˈɟɾʲiənˌxoːɾˠəsˠ/).

What is the plural of solar system in Irish?

The plural of grianchóras is grianchórais; with the article, na grianchórais means “the solar systems”. The genitive plural is grianchóras, as in pláinéid na ngrianchóras (the planets of the solar systems).

Why does grianchóras change to ghrianchóras or ngrianchóras?

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

How is 'grianchóras' formed?

It combines 'grian' (sun) and 'córas' (system), with lenition of the second element: grianchóras.

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