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Radioisotope in Irish (Raidiseatóp): Meaning, Pronunciation, Usage

The Irish for radioisotope is raidiseatóp, a masculine noun (plural raidiseatóip).
Updated October 2026Report a mistake

How to say “radioisotope” in Irish

Irish:
raidiseatóp
English:
radioisotope
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“RAD-ish-uh-tohp”  /ˈɾˠad̪ʲɪʃət̪ˠoːpˠ/
Various forms
Plural:
raidiseatóip (radioisotopes)
Genitive singular:
raidiseatóip, an raidiseatóip (e.g. leathré an raidiseatóip, the half-life of the radioisotope)
Genitive plural:
raidiseatóp, na raidiseatóp (e.g. úsáid na raidiseatóp, the use of the radioisotopes)

What does “raidiseatóp” mean?

radioisotope
An unstable form of a chemical element that gives off radiation as it decays.Also: radioactive isotope, radionuclide.

“Raidiseatóp” with the article

The plural of radioisotope in Irish is raidiseatóip. Here is raidiseatóp after the article (an t-alt), in the singular and the plural.

an raidiseatóp
the radioisotope
No change after an
na raidiseatóip
the radioisotopes
Plural: no change after na

“Raidiseatóp” in a sentence: Irish examples

Common Irish sentences using raidiseatóp, the Irish word for radioisotope.

Is iseatóp radaighníomhach é raidiseatóp.
A radioisotope is a radioactive isotope.
Úsáideann dochtúirí an raidiseatóp seo chun ailse a aimsiú.
Doctors use this radioisotope to detect cancer.
Tá leathré an raidiseatóip an-ghearr.
The half-life of the radioisotope is very short.
Táirgtear raidiseatóip in imoibreoirí núicléacha.
Radioisotopes are produced in nuclear reactors.
Rinneamar staidéar ar raidiseatóip sa rang fisice.
We studied radioisotopes in physics class.
Caithfear raidiseatóip a stóráil go sábháilte.
Radioisotopes must be stored safely.
Bhí taighde ar raidiseatóp ar siúl san ollscoil.
Research on radioisotopes was going on at the university.

Other nouns in Irish

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Radioisotope in Irish: frequently asked questions

What is the Irish for radioisotope?

The Irish for radioisotope is raidiseatóp (pronounced “RAD-ish-uh-tohp”). It’s a masculine noun and the plural is raidiseatóip.

How do you pronounce raidiseatóp in Irish?

Raidiseatóp is said like “RAD-ish-uh-tohp” (IPA /ˈɾˠad̪ʲɪʃət̪ˠoːpˠ/).

What is the plural of radioisotope in Irish?

The plural of raidiseatóp is raidiseatóip; with the article, na raidiseatóip means “the radioisotopes”. The genitive plural is raidiseatóp, as in úsáid na raidiseatóp (the use of the radioisotopes).

How is raidiseatóp related to iseatóp?

Iseatóp means isotope in general; raidiseatóp is specifically a radioactive one, also described as iseatóp radaighníomhach.

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