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Antioxidant in Irish (Frithocsaídeoir): Meaning, Pronunciation, Usage

The Irish for antioxidant is frithocsaídeoir, a masculine noun (plural frithocsaídeoirí).
Updated October 2026Report a mistake

How to say “antioxidant” in Irish

Irish:
frithocsaídeoir
English:
antioxidant
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“FRIH-ok-see-dyohr”  /ˈfʲɾʲɪhɔkˌsˠiːdʲoːɾʲ/
Various forms
Plural:
frithocsaídeoirí (antioxidants)
Genitive singular:
frithocsaídeora, an fhrithocsaídeora (e.g. éifeacht an fhrithocsaídeora, the effect of the antioxidant)
Genitive plural:
frithocsaídeoirí, na bhfrithocsaídeoirí (e.g. foinse na bhfrithocsaídeoirí, the source of the antioxidants)

What does “frithocsaídeoir” mean?

antioxidant
A substance that prevents or slows oxidation, found in some foods and used in food preservation and medicine.Also: anti-oxidant, oxidation inhibitor.

“Frithocsaídeoir” with the article

The plural of antioxidant in Irish is frithocsaídeoirí. Here is frithocsaídeoir after the article (an t-alt), in the singular and the plural.

an frithocsaídeoir
the antioxidant
No change after an
na frithocsaídeoirí
the antioxidants
Plural: no change after na

“Frithocsaídeoir” in a sentence: Irish examples

Common Irish sentences using frithocsaídeoir, the Irish word for antioxidant.

Is frithocsaídeoir é vitimín C.
Vitamin C is an antioxidant.
Tá go leor frithocsaídeoirí i sútha craobh.
Raspberries contain plenty of antioxidants.
Cuirtear an frithocsaídeoir seo le hola chócaireachta.
This antioxidant is added to cooking oil.
Cosnaíonn frithocsaídeoirí na cealla ón damáiste.
Antioxidants protect the cells from damage.
Cén leibhéal frithocsaídeora atá sa tae glas?
What level of antioxidant is in green tea?
Tá frithocsaídeoir nádúrtha sa phlanda sin.
There is a natural antioxidant in that plant.
Léigh mé alt faoi bhuntáistí frithocsaídeoirí.
I read an article about the benefits of antioxidants.

Other nouns in Irish

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Antioxidant in Irish: frequently asked questions

What is the Irish for antioxidant?

The Irish for antioxidant is frithocsaídeoir (pronounced “FRIH-ok-see-dyohr”). It’s a masculine noun and the plural is frithocsaídeoirí.

How do you pronounce frithocsaídeoir in Irish?

Frithocsaídeoir is said like “FRIH-ok-see-dyohr” (IPA /ˈfʲɾʲɪhɔkˌsˠiːdʲoːɾʲ/).

What is the plural of antioxidant in Irish?

The plural of frithocsaídeoir is frithocsaídeoirí; with the article, na frithocsaídeoirí means “the antioxidants”. The genitive plural is frithocsaídeoirí, as in foinse na bhfrithocsaídeoirí (the source of the antioxidants).

Why does frithocsaídeoir change to fhrithocsaídeoir or bhfrithocsaídeoir?

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

How is 'frithocsaídeoir' formed?

It combines the prefix 'frith-' (anti-, counter-) with 'ocsaídeoir' (oxidant), just like English anti-oxidant.

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