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Plutonium in Irish (Plútóiniam): Meaning, Pronunciation, Usage

The Irish for plutonium is plútóiniam, a masculine noun.
Updated October 2026Report a mistake

How to say “plutonium” in Irish

Irish:
plútóiniam
English:
plutonium
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“ploo-TOH-nee-um”  /pˠl̪ˠuːˈt̪ˠoːnʲiəmˠ/
Various forms
Genitive singular:
plútóiniam, an phlútóiniam (e.g. iompar plútóiniam, transport of plutonium)

What does “plútóiniam” mean?

plutonium
A radioactive metallic chemical element used in nuclear reactors and nuclear weapons.Also: pu, radioactive element.

“Plútóiniam” with the article

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

an plútóiniam
the plutonium
No change after an

“Plútóiniam” in a sentence: Irish examples

Common Irish sentences using plútóiniam, the Irish word for plutonium.

Is dúil radaighníomhach é plútóiniam.
Plutonium is a radioactive element.
Úsáidtear an plútóiniam in airm núicléacha.
Plutonium is used in nuclear weapons.
Tá an plútóiniam an-chontúirteach don tsláinte.
Plutonium is very dangerous to health.
Cuireadh cosc ar iompar plútóiniam tríd an gceantar.
The transport of plutonium through the area was banned.
Táirgtear plútóiniam in imoibreoirí núicléacha.
Plutonium is produced in nuclear reactors.
Bhí lorg plútóiniam le fáil san fharraige.
Traces of plutonium were found in the sea.
Tá cainníocht bheag plútóiniam sa sampla seo.
There is a small amount of plutonium in this sample.

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Plutonium in Irish: frequently asked questions

What is the Irish for plutonium?

The Irish for plutonium is plútóiniam (pronounced “ploo-TOH-nee-um”). It’s a masculine noun.

How do you pronounce plútóiniam in Irish?

Plútóiniam is said like “ploo-TOH-nee-um” (IPA /pˠl̪ˠuːˈt̪ˠoːnʲiəmˠ/).

Does plútóiniam have a plural?

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

Why does plútóiniam change to phlútóiniam or bplútóiniam?

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

Does 'plútóiniam' change in the genitive?

No, the form stays the same, so 'iompar plútóiniam' means transport of plutonium.

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