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Classification in Irish (Aicmiú): Meaning, Pronunciation, Usage

The Irish for classification is aicmiú, a masculine noun. Ag aicmiú is classifying, from the verb aicmigh.
Updated October 2026Report a mistake

How to say “classification” in Irish

Irish:
aicmiú
English:
classification
Word type:
noun (verbal noun)
Verbal noun of:
aicmigh, to classify (ag aicmiú, classifying)
Gender:
masculine
Pronunciation:
“AK-ih-moo”  /ˈakʲɪmʲuː/
Various forms
Genitive singular:
aicmithe, an aicmithe (e.g. córas aicmithe, classification system)

What does “aicmiú” mean?

classification
The act of sorting things into classes or categories; the verbal noun of the verb 'aicmigh'.Also: classifying, categorization, sorting, grading.

“Aicmiú” as a verbal noun

After ag, aicmiú means classifying: it is the verbal noun of the verb aicmigh (to classify). A noun that follows it goes into the genitive.

agat
+
aicmiúverbal noun
=
ag aicmiúclassifying

“Aicmiú” with the article

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

an t-aicmiú
the classification
Masculine nouns take t before a vowel after an

“Aicmiú” in a sentence: Irish examples

Common Irish sentences using aicmiú, the Irish word for classification.

Tá aicmiú na leabhar sa leabharlann an-simplí.
The classification of books in the library is very simple.
Rinne sé aicmiú ar na plandaí go léir.
He classified all the plants.
Úsáideann na heolaithe córas aicmithe idirnáisiúnta.
The scientists use an international classification system.
Níl mé sásta leis an aicmiú sin.
I'm not happy with that classification.
Bíonn deacrachtaí ann i gcónaí in aicmiú ainmhithe.
There are always difficulties in classifying animals.
Bhí aicmiú na gcáipéisí ar siúl ar maidin.
The documents were being classified this morning.
Is é an t-aicmiú an chéad chéim eile.
Classification is the next step.

Other nouns in Irish

More everyday Irish nouns to learn next.

Classification in Irish: frequently asked questions

What is the Irish for classification?

The Irish for classification is aicmiú (pronounced “AK-ih-moo”). It’s a masculine noun.

How do you pronounce aicmiú in Irish?

Aicmiú is said like “AK-ih-moo” (IPA /ˈakʲɪmʲuː/).

Does aicmiú have a plural?

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

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-aicmiú (the classification), a haicmiú (her classification), a n-aicmiú (their classification).

How is 'aicmiú' different from 'rangú'?

'Aicmiú' means classifying into categories, from 'aicme' (class), while 'rangú' usually means ranking or grading in order.

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