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Cosmology in Irish (Cosmeolaíocht): Meaning, Pronunciation, Usage

The Irish for cosmology is cosmeolaíocht, a feminine noun.
Updated October 2026Report a mistake

How to say “cosmology” in Irish

Irish:
cosmeolaíocht
English:
cosmology
Word type:
noun
Gender:
feminine
Pronunciation:
“KOS-myoh-lee-ukht”  /ˈkɔsmʲoːl̪ˠiːəxt̪ˠ/
Various forms
Genitive singular:
cosmeolaíochta, na cosmeolaíochta (e.g. léachtóir cosmeolaíochta, lecturer in cosmology)

What does “cosmeolaíocht” mean?

cosmology
The science or study of the origin, structure and development of the universe.Also: study of the universe, origin of the universe.

“Cosmeolaíocht” with the article

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

an chosmeolaíocht
the cosmology
Lenition: c becomes ch after an (feminine noun)

“Cosmeolaíocht” in a sentence: Irish examples

Common Irish sentences using cosmeolaíocht, the Irish word for cosmology.

Is brainse den fhisic í an chosmeolaíocht.
Cosmology is a branch of physics.
Tá suim mhór agam sa chosmeolaíocht.
I have a great interest in cosmology.
Rinne sí staidéar ar chosmeolaíocht san ollscoil.
She studied cosmology at university.
Léigh mé leabhar faoin gcosmeolaíocht inné.
I read a book about cosmology yesterday.
Is ollamh cosmeolaíochta é a uncail.
His uncle is a professor of cosmology.
Pléann an chosmeolaíocht tús na cruinne.
Cosmology deals with the beginning of the universe.
Tá ceisteanna móra fós sa chosmeolaíocht.
There are still big questions in cosmology.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cosmology in Irish: frequently asked questions

What is the Irish for cosmology?

The Irish for cosmology is cosmeolaíocht (pronounced “KOS-myoh-lee-ukht”). It’s a feminine noun.

How do you pronounce cosmeolaíocht in Irish?

Cosmeolaíocht is said like “KOS-myoh-lee-ukht” (IPA /ˈkɔsmʲoːl̪ˠiːəxt̪ˠ/).

Does cosmeolaíocht have a plural?

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

Why does cosmeolaíocht change to chosmeolaíocht or gcosmeolaíocht?

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

What is the difference between cosmeolaíocht and réalteolaíocht?

Cosmeolaíocht is cosmology, the study of the universe as a whole and its origin, while réalteolaíocht is astronomy, the study of stars and other heavenly bodies.

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