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Radium in Irish (Raidiam): Meaning, Pronunciation, Usage

The Irish for radium is raidiam, a masculine noun.
Updated October 2026Report a mistake

How to say “radium” in Irish

Irish:
raidiam
English:
radium
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“RAD-ee-um”  /ˈɾˠadʲiəmˠ/
Various forms
Genitive singular:
raidiam, an raidiam (e.g. fionnachtain an raidiam, the discovery of radium)

What does “raidiam” mean?

radium
Radium is a rare, highly radioactive metallic chemical element.Also: radioactive element, ra.

“Raidiam” with the article

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

an raidiam
the radium
No change after an

“Raidiam” in a sentence: Irish examples

Common Irish sentences using raidiam, the Irish word for radium.

Is dúil radaighníomhach é raidiam.
Radium is a radioactive element.
D'aimsigh Marie Curie an raidiam sa bhliain 1898.
Marie Curie discovered radium in 1898.
Bhí raidiam á úsáid chun ailse a chóireáil.
Radium was used to treat cancer.
Tá an raidiam an-chontúirteach don tsláinte.
Radium is very dangerous to health.
Foghlaimímid faoi airíonna an raidiam sa rang ceimice.
We learn about the properties of radium in chemistry class.
Ní fhaightear ach méid beag raidiam i mianta úráiniam.
Only a small amount of radium is found in uranium ores.
Bhí péint le raidiam inti ar dhiailí na gclog fadó.
Clock dials once had paint containing radium.

Other nouns in Irish

More everyday Irish nouns to learn next.

Radium in Irish: frequently asked questions

What is the Irish for radium?

The Irish for radium is raidiam (pronounced “RAD-ee-um”). It’s a masculine noun.

How do you pronounce raidiam in Irish?

Raidiam is said like “RAD-ee-um” (IPA /ˈɾˠadʲiəmˠ/).

Does raidiam have a plural?

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

Is 'raidiam' the same as 'raidió'?

No. 'Raidiam' is the chemical element radium, while 'raidió' means a radio.

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