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Triangulation in Irish (Triantánú): Meaning, Pronunciation, Usage

The Irish for triangulation is triantánú, a masculine noun.
Updated October 2026Report a mistake

How to say “triangulation” in Irish

Irish:
triantánú
English:
triangulation
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“TREE-un-taw-noo”  /ˈtʲɾʲiən̪ˠt̪ˠaːn̪ˠuː/
Various forms
Genitive singular:
triantánaithe, an triantánaithe (e.g. pointe triantánaithe, triangulation point)

What does “triantánú” mean?

triangulation
The process of dividing an area into triangles to measure or map it, or of fixing a position by measuring angles from two known points; it is the verbal noun of the verb triantánaigh.Also: triangulating, surveying by triangles.

“Triantánú” with the article

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

an triantánú
the triangulation
No change after an

“Triantánú” in a sentence: Irish examples

Common Irish sentences using triantánú, the Irish word for triangulation.

Úsáidtear triantánú chun tír a mhapáil.
Triangulation is used to map a country.
Rinne na suirbhéirí triantánú ar an ngleann.
The surveyors triangulated the valley.
Tá an triantánú an-tábhachtach sa tsuirbhéireacht.
Triangulation is very important in surveying.
Sheas sé in aice le pointe triantánaithe ar an sliabh.
He stood beside a triangulation point on the mountain.
D'fhoghlaimíomar modh an triantánaithe ar scoil.
We learned the triangulation method at school.
Aimsíodh suíomh an fhóin trí thriantánú.
The phone's location was found by triangulation.
Bhí botún beag sa triantánú.
There was a small mistake in the triangulation.

Other nouns in Irish

More everyday Irish nouns to learn next.

Triangulation in Irish: frequently asked questions

What is the Irish for triangulation?

The Irish for triangulation is triantánú (pronounced “TREE-un-taw-noo”). It’s a masculine noun.

How do you pronounce triantánú in Irish?

Triantánú is said like “TREE-un-taw-noo” (IPA /ˈtʲɾʲiən̪ˠt̪ˠaːn̪ˠuː/).

Does triantánú have a plural?

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

Why does triantánú change to thriantánú or dtriantánú?

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

How is triantánú related to triantán?

Triantán means 'triangle', and triantánú is the process of working with triangles to measure distances or positions, that is, 'triangulation'.

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