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Magnesia in Irish (Maignéis): Meaning, Pronunciation, Usage

The Irish for magnesia is maignéis, a feminine noun.
Updated October 2026Report a mistake

How to say “magnesia” in Irish

Irish:
maignéis
English:
magnesia
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“MAG-nyay-sh”  /ˈmaɡʲnʲeːʃ/
Various forms
Genitive singular:
maignéise, na maignéise (e.g. púdar maignéise, magnesia powder)

What does “maignéis” mean?

magnesia
Magnesium oxide, a white powder used in medicine as an antacid and laxative and in industry.Also: magnesium oxide, milk of magnesia.

“Maignéis” with the article

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

an mhaignéis
the magnesia
Lenition: m becomes mh after an (feminine noun)

“Maignéis” in a sentence: Irish examples

Common Irish sentences using maignéis, the Irish word for magnesia.

Is púdar bán í maignéis.
Magnesia is a white powder.
Thug an dochtúir maignéis dom don díleá.
The doctor gave me magnesia for my digestion.
Úsáidtear an mhaignéis mar fhrithaigéad.
Magnesia is used as an antacid.
Cheannaigh sí buidéal maignéise sa chógaslann.
She bought a bottle of magnesia in the pharmacy.
Tá blas searbh ar an maignéis.
Magnesia has a bitter taste.
Bíonn maignéis i roinnt cógas boilg.
There is magnesia in some stomach medicines.
Ocsaíd maignéisiam is ea an mhaignéis.
Magnesia is magnesium oxide.

Other nouns in Irish

More everyday Irish nouns to learn next.

Magnesia in Irish: frequently asked questions

What is the Irish for magnesia?

The Irish for magnesia is maignéis (pronounced “MAG-nyay-sh”). It’s a feminine noun.

How do you pronounce maignéis in Irish?

Maignéis is said like “MAG-nyay-sh” (IPA /ˈmaɡʲnʲeːʃ/).

Does maignéis have a plural?

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

Why does maignéis change to mhaignéis?

After words like mo (my) and do (your) the first letter is lenited: mo mhaignéis. After ár (our) it stays ár maignéis, because m does not take eclipsis.

Is maignéis the same as maignéisiam?

No: maignéisiam is the metal element magnesium, while maignéis is magnesia, its oxide.

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