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Alkali in Irish (Alcaile): Meaning, Pronunciation, Usage

The Irish for alkali is alcaile, a feminine noun (plural alcailí).
Updated October 2026Report a mistake

How to say “alkali” in Irish

Irish:
alcaile
English:
alkali
Word type:
noun
Gender:
feminine
Pronunciation:
“AL-kal-ih”  /ˈalˠkəlʲə/
Various forms
Plural:
alcailí (alkalis)
Genitive singular:
alcaile, na halcaile (e.g. tiúchan na halcaile, concentration of the alkali)
Genitive plural:
alcailí, na n-alcailí (e.g. airíonna na n-alcailí, the properties of the alkalis)

What does “alcaile” mean?

alkali
A chemical substance that neutralises acids and forms a solution with a pH above seven.Also: base, alkaline substance.

“Alcaile” with the article

The plural of alkali in Irish is alcailí. Here is alcaile after the article (an t-alt), in the singular and the plural.

an alcaile
the alkali
No change: feminine nouns starting with a vowel keep their form after an
na halcailí
the alkalis
Plural: na adds h before a vowel

“Alcaile” in a sentence: Irish examples

Common Irish sentences using alcaile, the Irish word for alkali.

Is alcaile í an hiodrocsaíd sóidiam.
Sodium hydroxide is an alkali.
Cuir an alcaile leis an aigéad go mall.
Add the alkali to the acid slowly.
Tá blas searbh ar an alcaile seo.
This alkali has a bitter taste.
Mhúin an múinteoir dúinn faoi aigéid agus alcailí.
The teacher taught us about acids and alkalis.
Thomhaiseamar pH na halcaile sa tsaotharlann.
We measured the pH of the alkali in the lab.
Bíonn alcailí láidre contúirteach don chraiceann.
Strong alkalis are dangerous to the skin.
Athraíonn an páipéar litmis gorm san alcaile.
Litmus paper turns blue in the alkali.

Other nouns in Irish

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Alkali in Irish: frequently asked questions

What is the Irish for alkali?

The Irish for alkali is alcaile (pronounced “AL-kal-ih”). It’s a feminine noun and the plural is alcailí.

How do you pronounce alcaile in Irish?

Alcaile is said like “AL-kal-ih” (IPA /ˈalˠkəlʲə/).

What is the plural of alkali in Irish?

The plural of alcaile is alcailí; with the article, na halcailí means “the alkalis”. The genitive plural is alcailí, as in airíonna na n-alcailí (the properties of the alkalis).

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

Irish nouns beginning with a vowel take a prefix after certain words: an alcaile (the alkali), a halcaile (her alkali), a n-alcaile (their alkali), na halcailí (the alkalis).

What is the opposite of 'alcaile'?

The opposite is 'aigéad' (acid); in chemistry 'bun' (base) is also used for related substances.

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