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Functional group in Irish (Feidhmghrúpa): Meaning, Pronunciation, Usage

The Irish for functional group is feidhmghrúpa, a masculine noun (plural feidhmghrúpaí).
Updated October 2026Report a mistake

How to say “functional group” in Irish

Irish:
feidhmghrúpa
English:
functional group
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“FEM-ghroo-puh”  /ˈfʲɛimʲˌɣɾˠuːpˠə/
Various forms
Plural:
feidhmghrúpaí (functional groups)
Genitive singular:
feidhmghrúpa, an fheidhmghrúpa (e.g. airíonna an fheidhmghrúpa, properties of the functional group)
Genitive plural:
feidhmghrúpaí, na bhfeidhmghrúpaí (e.g. airíonna na bhfeidhmghrúpaí, the properties of functional groups)

What does “feidhmghrúpa” mean?

functional group
In chemistry, a group of atoms within a molecule that gives the molecule its characteristic chemical reactions.Also: chemical group, group of atoms.

“Feidhmghrúpa” with the article

The plural of functional group in Irish is feidhmghrúpaí. Here is feidhmghrúpa after the article (an t-alt), in the singular and the plural.

an feidhmghrúpa
the functional group
No change after an
na feidhmghrúpaí
the functional groups
Plural: no change after na

“Feidhmghrúpa” in a sentence: Irish examples

Common Irish sentences using feidhmghrúpa, the Irish word for functional group.

Is feidhmghrúpa é an grúpa hiodrocsaile.
The hydroxyl group is a functional group.
Cinneann an feidhmghrúpa conas a imoibríonn an móilín.
The functional group determines how the molecule reacts.
Tá dhá fheidhmghrúpa sa chomhdhúil seo.
There are two functional groups in this compound.
D'fhoghlaimíomar faoi fheidhmghrúpaí sa rang ceimice inniu.
We learned about functional groups in chemistry class today.
Ainmnigh an feidhmghrúpa atá san alcól seo.
Name the functional group in this alcohol.
Tá struchtúr an fheidhmghrúpa léirithe sa léaráid.
The structure of the functional group is shown in the diagram.
Aithníonn ceimiceoirí comhdhúile de réir a bhfeidhmghrúpaí.
Chemists identify compounds by their functional groups.

Other nouns in Irish

More everyday Irish nouns to learn next.

Functional group in Irish: frequently asked questions

What is the Irish for functional group?

The Irish for functional group is feidhmghrúpa (pronounced “FEM-ghroo-puh”). It’s a masculine noun and the plural is feidhmghrúpaí.

How do you pronounce feidhmghrúpa in Irish?

Feidhmghrúpa is said like “FEM-ghroo-puh” (IPA /ˈfʲɛimʲˌɣɾˠuːpˠə/).

What is the plural of functional group in Irish?

The plural of feidhmghrúpa is feidhmghrúpaí; with the article, na feidhmghrúpaí means “the functional groups”. The genitive plural is feidhmghrúpaí, as in airíonna na bhfeidhmghrúpaí (the properties of functional groups).

Why does feidhmghrúpa change to fheidhmghrúpa or bhfeidhmghrúpa?

Irish changes the start of some words after certain words. After mo (my) feidhmghrúpa becomes m'fheidhmghrúpa (lenition), and after ár (our) or i (in) it becomes ár bhfeidhmghrúpa (eclipsis).

Can 'feidhmghrúpa' mean a working group of people?

Its standard use is the chemistry term 'functional group'. For a working group of people, Irish normally uses 'grúpa oibre' or 'meitheal'.

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