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Permeability in Irish (Tréscaoilteacht): Meaning, Pronunciation, Usage

The Irish for permeability is tréscaoilteacht, a feminine noun.
Updated October 2026Report a mistake

How to say “permeability” in Irish

Irish:
tréscaoilteacht
English:
permeability
Word type:
noun
Gender:
feminine
Pronunciation:
“TRAY-skweel-tyukht”  /ˈtʲɾʲeːsˌkiːlʲtʲəxt/
Various forms
Genitive singular:
tréscaoilteachta, na tréscaoilteachta (e.g. tomhas na tréscaoilteachta, the measurement of permeability)

What does “tréscaoilteacht” mean?

permeability
The quality of a material that allows liquids or gases to pass through it.Also: porousness, perviousness.

“Tréscaoilteacht” with the article

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

an tréscaoilteacht
the permeability
No change: d and t are not lenited after an

“Tréscaoilteacht” in a sentence: Irish examples

Common Irish sentences using tréscaoilteacht, the Irish word for permeability.

Tá tréscaoilteacht ard ag an gcineál seo cré.
This type of clay has high permeability.
Thomhais na heolaithe tréscaoilteacht na carraige.
The scientists measured the permeability of the rock.
Braitheann an draenáil ar thréscaoilteacht na hithreach.
Drainage depends on the permeability of the soil.
Is beag tréscaoilteacht atá i ngaineamhchloch fhliuch.
Wet sandstone has little permeability.
Rinneamar tástáil tréscaoilteachta sa tsaotharlann inné.
We did a permeability test in the lab yesterday.
Méadaíonn an teas tréscaoilteacht an scannáin.
Heat increases the permeability of the membrane.
Tá an tréscaoilteacht íseal sa bhunsraith seo.
The permeability is low in this base layer.

Other nouns in Irish

More everyday Irish nouns to learn next.

Permeability in Irish: frequently asked questions

What is the Irish for permeability?

The Irish for permeability is tréscaoilteacht (pronounced “TRAY-skweel-tyukht”). It’s a feminine noun.

How do you pronounce tréscaoilteacht in Irish?

Tréscaoilteacht is said like “TRAY-skweel-tyukht” (IPA /ˈtʲɾʲeːsˌkiːlʲtʲəxt/).

Does tréscaoilteacht have a plural?

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

Why does tréscaoilteacht change to thréscaoilteacht or dtréscaoilteacht?

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

What is the related adjective?

The adjective is 'tréscaoilteach', meaning permeable; the opposite is 'neamhthréscaoilteach', impermeable.

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