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Chlorine in Irish (Clóirín): Meaning, Pronunciation, Usage

The Irish for chlorine is clóirín, a masculine noun (plural clóiríní).
Updated October 2026Report a mistake

How to say “chlorine” in Irish

Irish:
clóirín
English:
chlorine
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“KLOH-reen”  /ˈkl̪ˠoːɾʲiːnʲ/
Various forms
Plural:
clóiríní (chlorines)
Genitive singular:
clóirín, an chlóirín (e.g. boladh an chlóirín, the smell of chlorine)
Genitive plural:
clóiríní, na gclóiríní (e.g. anailís na gclóiríní, the analysis of the chlorines)

What does “clóirín” mean?

chlorine
Chlorine is a greenish-yellow poisonous gas, a chemical element used to clean water and in swimming pools.Also: chlorine gas, cl.

“Clóirín” with the article

The plural of chlorine in Irish is clóiríní. Here is clóirín after the article (an t-alt), in the singular and the plural.

an clóirín
the chlorine
No change after an
na clóiríní
the chlorines
Plural: no change after na

“Clóirín” in a sentence: Irish examples

Common Irish sentences using clóirín, the Irish word for chlorine.

Cuirtear clóirín san uisce sa linn snámha.
Chlorine is put in the water in the swimming pool.
Is gás nimhiúil é an clóirín.
Chlorine is a poisonous gas.
Bhí boladh láidir an chlóirín ar mo chuid gruaige.
My hair smelled strongly of chlorine.
Úsáidtear clóirín chun uisce óil a ghlanadh.
Chlorine is used to purify drinking water.
Tá an iomarca clóirín sa linn inniu.
There's too much chlorine in the pool today.
Ghortaigh an clóirín mo shúile.
The chlorine stung my eyes.
Is dúil cheimiceach é an clóirín.
Chlorine is a chemical element.

Other nouns in Irish

More everyday Irish nouns to learn next.

Chlorine in Irish: frequently asked questions

What is the Irish for chlorine?

The Irish for chlorine is clóirín (pronounced “KLOH-reen”). It’s a masculine noun and the plural is clóiríní.

How do you pronounce clóirín in Irish?

Clóirín is said like “KLOH-reen” (IPA /ˈkl̪ˠoːɾʲiːnʲ/).

What is the plural of chlorine in Irish?

The plural of clóirín is clóiríní; with the article, na clóiríní means “the chlorines”. The genitive plural is clóiríní, as in anailís na gclóiríní (the analysis of the chlorines).

Why does clóirín change to chlóirín or gclóirín?

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

What is the difference between clóirín and clóiríd?

Clóirín is the element chlorine, while clóiríd is a chloride, a compound of chlorine, as in clóiríd sóidiam (sodium chloride).

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