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Polyhedron in Irish (Polaihéadrán): Meaning, Pronunciation, Usage

The Irish for polyhedron is polaihéadrán, a masculine noun (plural polaihéadráin).
Updated October 2026Report a mistake

How to say “polyhedron” in Irish

Irish:
polaihéadrán
English:
polyhedron
Word type:
noun
Gender:
masculine
Pronunciation:
“POL-ee-hay-drawn”  /ˈpˠɔlˠəˌheːd̪ˠɾˠaːnˠ/
Various forms
Plural:
polaihéadráin (polyhedrons)
Genitive singular:
polaihéadráin, an pholaihéadráin (e.g. aghaidheanna an pholaihéadráin, the faces of the polyhedron)
Genitive plural:
polaihéadrán, na bpolaihéadrán (e.g. airíonna na bpolaihéadrán, the properties of the polyhedra)

What does “polaihéadrán” mean?

polyhedron
A solid geometric figure with many flat faces, such as a cube or a pyramid.Also: solid figure, many-faced solid.

“Polaihéadrán” with the article

The plural of polyhedron in Irish is polaihéadráin. Here is polaihéadrán after the article (an t-alt), in the singular and the plural.

an polaihéadrán
the polyhedron
No change after an
na polaihéadráin
the polyhedrons
Plural: no change after na

“Polaihéadrán” in a sentence: Irish examples

Common Irish sentences using polaihéadrán, the Irish word for polyhedron.

Is polaihéadrán é ciúb.
A cube is a polyhedron.
Tá sé aghaidh ar an bpolaihéadrán seo.
This polyhedron has six faces.
Chomhaireamar imill an pholaihéadráin sa rang.
We counted the edges of the polyhedron in class.
Rinne na páistí polaihéadráin as cárta.
The children made polyhedra out of card.
Tarraing polaihéadrán i do chóipleabhar.
Draw a polyhedron in your copybook.
Tá cúig pholaihéadrán rialta ann.
There are five regular polyhedra.
Bhí mo pholaihéadrán níos mó ná a cheann siúd.
My polyhedron was bigger than his.

Other nouns in Irish

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Polyhedron in Irish: frequently asked questions

What is the Irish for polyhedron?

The Irish for polyhedron is polaihéadrán (pronounced “POL-ee-hay-drawn”). It’s a masculine noun and the plural is polaihéadráin.

How do you pronounce polaihéadrán in Irish?

Polaihéadrán is said like “POL-ee-hay-drawn” (IPA /ˈpˠɔlˠəˌheːd̪ˠɾˠaːnˠ/).

What is the plural of polyhedron in Irish?

The plural of polaihéadrán is polaihéadráin; with the article, na polaihéadráin means “the polyhedrons”. The genitive plural is polaihéadrán, as in airíonna na bpolaihéadrán (the properties of the polyhedra).

Why does polaihéadrán change to pholaihéadrán or bpolaihéadrán?

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

What is the difference between polaihéadrán and polagán?

A polagán is a flat shape (polygon), while a polaihéadrán is a solid made of flat polygonal faces.

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