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Antigen in Irish (Antaigin): Meaning, Pronunciation, Usage

The Irish for antigen is antaigin, a feminine noun.
Updated October 2026Report a mistake

How to say “antigen” in Irish

Irish:
antaigin
English:
antigen
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“AN-tig-in”  /ˈantˠəɟɪnʲ/
Various forms
Genitive singular:
antaigine, na hantaigine (e.g. tástáil antaigine, antigen test)

What does “antaigin” mean?

antigen
A substance, such as a virus or toxin, that causes the body's immune system to produce antibodies against it.Also: immunogen.

“Antaigin” with the article

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

an antaigin
the antigen
No change: feminine nouns starting with a vowel keep their form after an

“Antaigin” in a sentence: Irish examples

Common Irish sentences using antaigin, the Irish word for antigen.

Is substaint í antaigin a spreagann an córas imdhíonachta.
An antigen is a substance that stimulates the immune system.
Rinne an dochtúir tástáil antaigine orm inné.
The doctor gave me an antigen test yesterday.
Aithníonn an corp an antaigin mar rud coimhthíoch.
The body recognises the antigen as something foreign.
Déanann an corp antasubstaintí in aghaidh na hantaigine.
The body makes antibodies against the antigen.
Bhí antaigin an víris le fáil san fhuil.
The virus antigen was found in the blood.
Foghlaimímid faoi antaigin sa rang bitheolaíochta.
We learn about antigens in biology class.
Tá cineál áirithe antaigine ar dhromchla na gceall.
There is a certain type of antigen on the surface of the cells.

Other nouns in Irish

More everyday Irish nouns to learn next.

Antigen in Irish: frequently asked questions

What is the Irish for antigen?

The Irish for antigen is antaigin (pronounced “AN-tig-in”). It’s a feminine noun.

How do you pronounce antaigin in Irish?

Antaigin is said like “AN-tig-in” (IPA /ˈantˠəɟɪnʲ/).

Does antaigin have a plural?

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

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

Irish nouns beginning with a vowel take a prefix after certain words: an antaigin (the antigen), a hantaigin (her antigen), a n-antaigin (their antigen).

What is the difference between 'antaigin' and 'antasubstaint'?

An 'antaigin' (antigen) is the foreign substance that triggers an immune response, while an 'antasubstaint' (antibody) is the protein the body produces to fight it.

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