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Effluent in Irish (Eisilteach): Meaning, Pronunciation, Usage

The Irish for effluent is eisilteach, a masculine noun (plural eisiltigh).
Updated October 2026Report a mistake

How to say “effluent” in Irish

Irish:
eisilteach
English:
effluent
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“ESH-il-tyukh”  /ˈɛʃɪl̠ʲtʲəx/
Various forms
Plural:
eisiltigh (effluents)
Genitive singular:
eisiltigh, an eisiltigh (e.g. cóireáil an eisiltigh, treatment of the effluent)
Genitive plural:
eisilteach, na n-eisilteach (e.g. sceitheadh na n-eisilteach, the discharge of effluents)

What does “eisilteach” mean?

effluent
Liquid waste that flows out from a factory, sewage works or farm into rivers or the sea.Also: outflow, waste water, discharge.

“Eisilteach” with the article

The plural of effluent in Irish is eisiltigh. Here is eisilteach after the article (an t-alt), in the singular and the plural.

an t-eisilteach
the effluent
Masculine nouns take t before a vowel after an
na heisiltigh
the effluents
Plural: na adds h before a vowel

“Eisilteach” in a sentence: Irish examples

Common Irish sentences using eisilteach, the Irish word for effluent.

Tá eisilteach ag sileadh isteach san abhainn.
Effluent is seeping into the river.
Mharaigh an t-eisilteach na héisc go léir.
The effluent killed all the fish.
Rinneadh tástáil ar chaighdeán an eisiltigh.
The quality of the effluent was tested.
Scaoil an mhonarcha eisiltigh thionsclaíocha san fharraige.
The factory released industrial effluents into the sea.
Tá a lán ceimiceán san eisilteach seo.
There are a lot of chemicals in this effluent.
Ní mór eisilteach feirme a stóráil go sábháilte.
Farm effluent must be stored safely.
Gearradh fíneáil ar an gcomhlacht mar gheall ar an eisilteach.
The company was fined because of the effluent.

Other nouns in Irish

More everyday Irish nouns to learn next.

Effluent in Irish: frequently asked questions

What is the Irish for effluent?

The Irish for effluent is eisilteach (pronounced “ESH-il-tyukh”). It’s a masculine noun and the plural is eisiltigh.

How do you pronounce eisilteach in Irish?

Eisilteach is said like “ESH-il-tyukh” (IPA /ˈɛʃɪl̠ʲtʲəx/).

What is the plural of effluent in Irish?

The plural of eisilteach is eisiltigh; with the article, na heisiltigh means “the effluents”. The genitive plural is eisilteach, as in sceitheadh na n-eisilteach (the discharge of effluents).

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-eisilteach (the effluent), a heisilteach (her effluent), a n-eisilteach (their effluent), na heisiltigh (the effluents).

Is 'eisilteach' also an adjective?

Yes, 'eisilteach' can be an adjective meaning effluent or flowing out, but as a noun it means the waste liquid itself.

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