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Allotropy in Irish (Allatrópacht): Meaning, Pronunciation, Usage

The Irish for allotropy is allatrópacht, a feminine noun.
Updated October 2026Report a mistake

How to say “allotropy” in Irish

Irish:
allatrópacht
English:
allotropy
Word type:
noun
Gender:
feminine
Pronunciation:
“AL-uh-troh-pukht”  /ˈal̪ˠət̪ˠɾˠoːpˠəxt̪ˠ/
Various forms
Genitive singular:
allatrópachta, na hallatrópachta (e.g. coincheap na hallatrópachta, the concept of allotropy)

What does “allatrópacht” mean?

allotropy
In chemistry, the property of a chemical element existing in two or more different physical forms, such as carbon as diamond and graphite.Also: allotropism.

“Allatrópacht” with the article

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

an allatrópacht
the allotropy
No change: feminine nouns starting with a vowel keep their form after an

“Allatrópacht” in a sentence: Irish examples

Common Irish sentences using allatrópacht, the Irish word for allotropy.

Is airí de chuid roinnt dúl í an allatrópacht.
Allotropy is a property of some elements.
Mhínigh an múinteoir an allatrópacht dúinn inniu.
The teacher explained allotropy to us today.
Is sampla maith d'allatrópacht é an carbón.
Carbon is a good example of allotropy.
Tá caibidil ar allatrópacht sa leabhar ceimice.
There is a chapter on allotropy in the chemistry book.
Léiríonn an diamant agus an ghraifít allatrópacht an charbóin.
Diamond and graphite show the allotropy of carbon.
Bhí ceist faoin allatrópacht ar an scrúdú.
There was a question about allotropy on the exam.
Rinneamar staidéar ar allatrópacht an tsulfair.
We studied the allotropy of sulphur.

Other nouns in Irish

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Allotropy in Irish: frequently asked questions

What is the Irish for allotropy?

The Irish for allotropy is allatrópacht (pronounced “AL-uh-troh-pukht”). It’s a feminine noun.

How do you pronounce allatrópacht in Irish?

Allatrópacht is said like “AL-uh-troh-pukht” (IPA /ˈal̪ˠət̪ˠɾˠoːpˠəxt̪ˠ/).

Does allatrópacht have a plural?

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

Why does allatrópacht sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an allatrópacht (the allotropy), a hallatrópacht (her allotropy), a n-allatrópacht (their allotropy).

What is the Irish for 'an allotrope'?

A single form of the element is 'allatróp', while 'allatrópacht' is the phenomenon of allotropy itself.

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