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Purification in Irish (Íonú): Meaning, Pronunciation, Usage

The Irish for purification is íonú, a masculine noun. Ag íonú is purifying, from the verb íonaigh.
Updated October 2026Report a mistake

How to say “purification” in Irish

Irish:
íonú
English:
purification
Word type:
noun (verbal noun)
Verbal noun of:
íonaigh, to purify (ag íonú, purifying)
Gender:
masculine
Pronunciation:
“EE-nuu”  /ˈiːnˠuː/
Various forms
Genitive singular:
íonaithe, an íonaithe (e.g. próiseas íonaithe, purification process)

What does “íonú” mean?

purification
The act of making something pure or clean; it is the verbal noun of the verb íonaigh, to purify.Also: purifying, refining, cleansing.

“Íonú” as a verbal noun

After ag, íonú means purifying: it is the verbal noun of the verb íonaigh (to purify). A noun that follows it goes into the genitive.

agat
+
íonúverbal noun
=
ag íonúpurifying

“Íonú” with the article

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

an t-íonú
the purification
Masculine nouns take t before a vowel after an

“Íonú” in a sentence: Irish examples

Common Irish sentences using íonú, the Irish word for purification.

Tá íonú an uisce an-tábhachtach don tsláinte.
Purifying the water is very important for health.
Rinneadh íonú ar an ór sa mhonarcha.
The gold was refined in the factory.
Cuireann an gléas seo próiseas íonaithe ar siúl.
This device carries out a purification process.
Bíonn íonú aeir ag teastáil in ospidéil.
Air purification is needed in hospitals.
Thosaigh siad ar íonú an aeir sa seomra.
They started purifying the air in the room.
Is cuid den deasghnáth é an t-íonú.
The purification is part of the ritual.
Tá córas íonaithe nua sa teach.
There is a new purification system in the house.

Other nouns in Irish

More everyday Irish nouns to learn next.

Purification in Irish: frequently asked questions

What is the Irish for purification?

The Irish for purification is íonú (pronounced “EE-nuu”). It’s a masculine noun.

How do you pronounce íonú in Irish?

Íonú is said like “EE-nuu” (IPA /ˈiːnˠuː/).

Does íonú have a plural?

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

Why does íonú sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-íonú (the purification), a híonú (her purification), a n-íonú (their purification).

How is íonú different from glanadh?

Glanadh is everyday cleaning, while íonú means purifying, removing impurities, as in íonú uisce (water purification).

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