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Topology in Irish (Toipeolaíocht): Meaning, Pronunciation, Usage

The Irish for topology is toipeolaíocht, a feminine noun.
Updated October 2026Report a mistake

How to say “topology” in Irish

Irish:
toipeolaíocht
English:
topology
Word type:
noun
Gender:
feminine
Pronunciation:
“TOP-yoh-lee-ukht”  /ˈt̪ˠɔpʲoːl̪ˠiːxt̪ˠ/
Various forms
Genitive singular:
toipeolaíochta, na toipeolaíochta (e.g. léachtóir toipeolaíochta, topology lecturer)

What does “toipeolaíocht” mean?

topology
The branch of mathematics that studies the properties of shapes and spaces that stay the same when they are stretched or bent.Also: topological mathematics.

“Toipeolaíocht” with the article

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

an toipeolaíocht
the topology
No change: d and t are not lenited after an

“Toipeolaíocht” in a sentence: Irish examples

Common Irish sentences using toipeolaíocht, the Irish word for topology.

Is brainse den mhatamaitic í an toipeolaíocht.
Topology is a branch of mathematics.
Tá sí ag déanamh staidéir ar thoipeolaíocht san ollscoil.
She is studying topology at university.
Bhí an léacht toipeolaíochta an-deacair inniu.
The topology lecture was very difficult today.
Is aoibhinn liom an toipeolaíocht thar gach ábhar eile.
I love topology more than any other subject.
Cheannaigh mé leabhar nua ar thoipeolaíocht.
I bought a new book on topology.
Tá suim mhór aige i dtoipeolaíocht ailgéabrach.
He has a great interest in algebraic topology.
Scríobh sé tráchtas sa toipeolaíocht.
He wrote a thesis in topology.

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Topology in Irish: frequently asked questions

What is the Irish for topology?

The Irish for topology is toipeolaíocht (pronounced “TOP-yoh-lee-ukht”). It’s a feminine noun.

How do you pronounce toipeolaíocht in Irish?

Toipeolaíocht is said like “TOP-yoh-lee-ukht” (IPA /ˈt̪ˠɔpʲoːl̪ˠiːxt̪ˠ/).

Does toipeolaíocht have a plural?

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

Why does toipeolaíocht change to thoipeolaíocht or dtoipeolaíocht?

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

Is 'toipeolaíocht' the same as 'topagrafaíocht'?

No. 'Toipeolaíocht' is the mathematical study of shapes and spaces, while 'topagrafaíocht' is topography, the description of the surface features of land.

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