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Oceanography in Irish (Muireolaíocht): Meaning, Pronunciation, Usage

The Irish for oceanography is muireolaíocht, a feminine noun.
Updated October 2026Report a mistake

How to say “oceanography” in Irish

Irish:
muireolaíocht
English:
oceanography
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“MWIR-oh-lee-ukht”  /ˈmˠɪɾʲoːlˠiːəxt̪ˠ/
Various forms
Genitive singular:
muireolaíochta, na muireolaíochta (e.g. roinn na muireolaíochta, the department of oceanography)

What does “muireolaíocht” mean?

oceanography
The scientific study of the sea, its waters, currents and sea life.Also: marine science, oceanology, study of the sea.

“Muireolaíocht” with the article

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

an mhuireolaíocht
the oceanography
Lenition: m becomes mh after an (feminine noun)

“Muireolaíocht” in a sentence: Irish examples

Common Irish sentences using muireolaíocht, the Irish word for oceanography.

Tá suim mhór agam sa mhuireolaíocht.
I'm very interested in oceanography.
Rinne sí staidéar ar mhuireolaíocht san ollscoil.
She studied oceanography at university.
Is eolaíocht spéisiúil í an mhuireolaíocht.
Oceanography is a fascinating science.
Is ollamh le muireolaíocht é a hathair.
Her father is a professor of oceanography.
Tá cúrsa muireolaíochta á dhéanamh ag mo dheartháir.
My brother is doing an oceanography course.
Oibríonn sé in institiúid muireolaíochta i nGaillimh.
He works in an oceanographic institute in Galway.
Foghlaimímid faoi shruthanna na farraige i muireolaíocht.
We learn about ocean currents in oceanography.

Other nouns in Irish

More everyday Irish nouns to learn next.

Oceanography in Irish: frequently asked questions

What is the Irish for oceanography?

The Irish for oceanography is muireolaíocht (pronounced “MWIR-oh-lee-ukht”). It’s a feminine noun.

How do you pronounce muireolaíocht in Irish?

Muireolaíocht is said like “MWIR-oh-lee-ukht” (IPA /ˈmˠɪɾʲoːlˠiːəxt̪ˠ/).

Does muireolaíocht have a plural?

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

Why does muireolaíocht change to mhuireolaíocht?

After words like mo (my) and do (your) the first letter is lenited: mo mhuireolaíocht. After ár (our) it stays ár muireolaíocht, because m does not take eclipsis.

What is a person who studies oceanography called?

An oceanographer is 'muireolaí'. The word is built from 'muir' (sea) and 'eolaíocht' (science).

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