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Nuclear in Irish (núicléach): Meaning, Forms, Examples

Other uses of ‘núicléach’: nuclear (of a cell)

The Irish for nuclear is núicléach: fear núicléach, a nuclear man.
Updated October 2026Report a mistake

How to say “nuclear” in Irish

Irish:
núicléach
English:
nuclear, nuclear (of a cell)
Word type:
adjective
More nuclear:
níos núicléiche
Most nuclear:
is núicléiche
Plural:
núicléacha
Pronunciation:
“NOO-klay-akh”  /ˈn̪ˠuːkʲlʲeːəx/

What does “núicléach” mean?

“Núicléach” has two alternative meanings. The most common comes first.

nuclear
Relating to the nucleus of an atom, or to the energy or weapons that come from splitting or joining atoms.Also: atomic, nuclear-powered.
1 other meaning: nuclear (of a cell)
2nuclear (of a cell)
Relating to the nucleus of a living cell.Also: nuclear, of the nucleus.

“Núicléach” after a noun

An Irish adjective comes after its noun. Here is núicléach after fear (man, masculine), after cumhacht (power, feminine) and after a plural.

after a masculine nounfear núicléacha nuclear man
after a feminine nouncumhacht núicléacha nuclear power
after a plural nounfir núicléachanuclear men

séimhiú (the h) the ending

plural
firmen
+
núicléachanuclear, plural
=
fir núicléachanuclear men

With a plural noun the adjective takes its plural form, núicléacha.

More nuclear, most nuclear, very nuclear

níosmore
+
núicléichenuclear
=
níos núicléichemore nuclear
ismost
+
núicléichenuclear
=
is núicléichemost nuclear

Níl aon rud níos núicléiche ná buama adamhach. Nothing is more nuclear than an atomic bomb.

more nuclearníos núicléichein the past tense: ní ba núicléiche
most nuclearis núicléichein the past tense: ba núicléiche
as nuclear aschomh núicléach leno change after chomh
very nuclearan-núicléachan- lenites, except d, t and s
too nuclearrónúicléachró- lenites

“Núicléach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Tá stáisiún núicléach in aice leis an mbaile sin.
There is a nuclear station near that town.
Is ábhar díospóireachta í an chumhacht núicléach.
Nuclear power is a subject of debate.
Ba chóir fáil réidh le gach arm núicléach.
All nuclear weapons should be got rid of.
Níl aon rud níos núicléiche ná buama adamhach.
Nothing is more nuclear than an atomic bomb.
Tá an fuinneamh sin núicléach.
That energy is nuclear.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Nuclear in Irish: frequently asked questions

What is the Irish for nuclear?

The Irish for nuclear is núicléach (pronounced “NOO-klay-akh”). It comes after the noun: fear núicléach, a nuclear man; cumhacht núicléach, a nuclear power.

How do you say more nuclear and most nuclear in Irish?

níos núicléiche is more nuclear and is núicléiche is most nuclear. In the past tense they become ní ba núicléiche and ba núicléiche.

What is the plural of núicléach?

With a plural noun núicléach becomes núicléacha: fir núicléacha, cumhachtaí núicléacha.

How do you say very nuclear in Irish?

an-núicléach. Too nuclear is rónúicléach, and as nuclear as is chomh núicléach le.

Does núicléach have more than one meaning?

Yes. Núicléach can mean nuclear or nuclear (of a cell), depending on context; the first is the most common.

What is the difference between 'núicléach' and 'adamhach'?

'Adamhach' means atomic, as in 'buama adamhach', an atomic bomb, while 'núicléach' means nuclear, as in 'arm núicléach'. They overlap a lot in meaning.

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