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Chlorination in Irish (Clóiríniú): Meaning, Pronunciation, Usage

The Irish for chlorination is clóiríniú, a masculine noun. Ag clóiríniú is chlorinating, from the verb clóirínigh.
Updated October 2026Report a mistake

How to say “chlorination” in Irish

Irish:
clóiríniú
English:
chlorination
Word type:
noun (verbal noun)
Verbal noun of:
clóirínigh, to chlorinate (ag clóiríniú, chlorinating)
Gender:
masculine
Pronunciation:
“KLOH-ree-nyoo”  /ˈkl̪ˠoːɾʲiːnʲuː/
Various forms
Genitive singular:
clóirínithe, an chlóirínithe (e.g. próiseas an chlóirínithe, the chlorination process)

What does “clóiríniú” mean?

chlorination
The treatment of water or another substance with chlorine, for example to kill germs; it is the verbal noun of the verb clóirínigh.Also: chlorinating, treating with chlorine, water chlorination.

“Clóiríniú” as a verbal noun

After ag, clóiríniú means chlorinating: it is the verbal noun of the verb clóirínigh (to chlorinate). A noun that follows it goes into the genitive.

agat
+
clóiríniúverbal noun
=
ag clóiríniúchlorinating

“Clóiríniú” with the article

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

an clóiríniú
the chlorination
No change after an

“Clóiríniú” in a sentence: Irish examples

Common Irish sentences using clóiríniú, the Irish word for chlorination.

Úsáidtear clóiríniú chun uisce óil a ghlanadh.
Chlorination is used to purify drinking water.
Tá an clóiríniú riachtanach sa linn snámha.
Chlorination is essential in the swimming pool.
Mhínigh an múinteoir próiseas an chlóirínithe dúinn.
The teacher explained the chlorination process to us.
Bhí boladh láidir ón uisce tar éis an chlóirínithe.
The water had a strong smell after chlorination.
Cuireadh tús le clóiríniú an uisce inné.
Chlorination of the water began yesterday.
Tá costas ard ag baint le clóiríniú.
Chlorination is quite costly.
Rinneadh clóiríniú ar an soláthar uisce go léir.
The whole water supply was chlorinated.

Other nouns in Irish

More everyday Irish nouns to learn next.

Chlorination in Irish: frequently asked questions

What is the Irish for chlorination?

The Irish for chlorination is clóiríniú (pronounced “KLOH-ree-nyoo”). It’s a masculine noun.

How do you pronounce clóiríniú in Irish?

Clóiríniú is said like “KLOH-ree-nyoo” (IPA /ˈkl̪ˠoːɾʲiːnʲuː/).

Does clóiríniú have a plural?

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

Why does clóiríniú change to chlóiríniú or gclóiríniú?

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

How do I say 'to chlorinate' in Irish?

The verb is clóirínigh, for example 'Clóirínigh an t-uisce' means 'chlorinate the water'; clóiríniú is its verbal noun.

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