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Petrology in Irish (Carraigeolaíocht): Meaning, Pronunciation, Usage

The Irish for petrology is carraigeolaíocht, a feminine noun.
Updated October 2026Report a mistake

How to say “petrology” in Irish

Irish:
carraigeolaíocht
English:
petrology
Word type:
noun
Gender:
feminine
Pronunciation:
“KAR-ig-oh-lee-ukht”  /ˈkaɾˠəɟˌoːl̪ˠiːxt̪ˠ/
Various forms
Genitive singular:
carraigeolaíochta, na carraigeolaíochta (e.g. léachtóir carraigeolaíochta, petrology lecturer)

What does “carraigeolaíocht” mean?

petrology
The branch of geology that studies rocks, their origin, structure and composition.Also: lithology, study of rocks, rock science.

“Carraigeolaíocht” with the article

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

an charraigeolaíocht
the petrology
Lenition: c becomes ch after an (feminine noun)

“Carraigeolaíocht” in a sentence: Irish examples

Common Irish sentences using carraigeolaíocht, the Irish word for petrology.

Is brainse den gheolaíocht í an charraigeolaíocht.
Petrology is a branch of geology.
Tá sí ag déanamh staidéir ar charraigeolaíocht.
She is studying petrology.
Bhí léacht carraigeolaíochta againn ar maidin.
We had a petrology lecture this morning.
Is aoibhinn liom an charraigeolaíocht.
I love petrology.
Tá suim mhór aige i gcarraigeolaíocht.
He has a great interest in petrology.
Cheannaigh mé leabhar carraigeolaíochta inné.
I bought a petrology book yesterday.
Bíonn go leor oibre allamuigh sa charraigeolaíocht.
There is a lot of fieldwork in petrology.

Other nouns in Irish

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Petrology in Irish: frequently asked questions

What is the Irish for petrology?

The Irish for petrology is carraigeolaíocht (pronounced “KAR-ig-oh-lee-ukht”). It’s a feminine noun.

How do you pronounce carraigeolaíocht in Irish?

Carraigeolaíocht is said like “KAR-ig-oh-lee-ukht” (IPA /ˈkaɾˠəɟˌoːl̪ˠiːxt̪ˠ/).

Does carraigeolaíocht have a plural?

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

Why does carraigeolaíocht change to charraigeolaíocht or gcarraigeolaíocht?

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

How is 'carraigeolaíocht' different from 'geolaíocht'?

'Geolaíocht' is geology in general, while 'carraigeolaíocht' is the specific study of rocks, petrology.

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