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Porosity in Irish (Polltacht): Meaning, Pronunciation, Usage

The Irish for porosity is polltacht, a feminine noun.
Updated October 2026Report a mistake

How to say “porosity” in Irish

Irish:
polltacht
English:
porosity
Word type:
noun
Gender:
feminine
Pronunciation:
“POWL-tukht”  /ˈpˠəul̪ˠt̪ˠəxt̪ˠ/
Various forms
Genitive singular:
polltachta, na polltachta (e.g. leibhéal na polltachta, level of porosity)

What does “polltacht” mean?

porosity
The quality of being full of small holes, so that liquid or air can pass through.Also: porousness, perviousness, holeyness.

“Polltacht” with the article

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

an pholltacht
the porosity
Lenition: p becomes ph after an (feminine noun)

“Polltacht” in a sentence: Irish examples

Common Irish sentences using polltacht, the Irish word for porosity.

Tá polltacht ard ag an gcloch seo.
This stone has high porosity.
Braitheann an draenáil ar pholltacht na hithreach.
Drainage depends on the porosity of the soil.
Thomhais na heolaithe an pholltacht sa tsaotharlann.
The scientists measured the porosity in the laboratory.
Méadaíonn an pholltacht nuair a bhíonn an charraig briste.
Porosity increases when the rock is fractured.
Is airí tábhachtach í an pholltacht i gcré.
Porosity is an important property of clay.
Bhí méid na polltachta níos lú ná mar a cheapamar.
The degree of porosity was less than we thought.
Cuireann polltacht an adhmaid isteach ar an bpéint.
The porosity of the wood affects the paint.

Other nouns in Irish

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Porosity in Irish: frequently asked questions

What is the Irish for porosity?

The Irish for porosity is polltacht (pronounced “POWL-tukht”). It’s a feminine noun.

How do you pronounce polltacht in Irish?

Polltacht is said like “POWL-tukht” (IPA /ˈpˠəul̪ˠt̪ˠəxt̪ˠ/).

Does polltacht have a plural?

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

Why does polltacht change to pholltacht or bpolltacht?

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

How is 'polltacht' related to 'poll'?

'Polltacht' comes from 'poll' (hole) via the adjective 'polltach' (porous, full of holes), so it means the quality of being holey or porous.

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