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Associativity in Irish (Comhthiomsaitheacht): Meaning, Pronunciation, Usage

The Irish for associativity is comhthiomsaitheacht, a feminine noun.
Updated October 2026Report a mistake

How to say “associativity” in Irish

Irish:
comhthiomsaitheacht
English:
associativity
Word type:
noun
Gender:
feminine
Pronunciation:
“koh-HUM-suh-hukht”  /ˈkoːˌhʊmsˠəhəxt̪ˠ/
Various forms
Genitive singular:
comhthiomsaitheachta, na comhthiomsaitheachta (e.g. dlí na comhthiomsaitheachta, the associative law)

What does “comhthiomsaitheacht” mean?

associativity
In mathematics, the property of an operation whereby the grouping of the terms does not change the result, as in (a + b) + c = a + (b + c).Also: associative property, associative law.

“Comhthiomsaitheacht” with the article

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

an chomhthiomsaitheacht
the associativity
Lenition: c becomes ch after an (feminine noun)

“Comhthiomsaitheacht” in a sentence: Irish examples

Common Irish sentences using comhthiomsaitheacht, the Irish word for associativity.

Is airí tábhachtach í an chomhthiomsaitheacht.
Associativity is an important property.
Bhí ceist faoi chomhthiomsaitheacht sa scrúdú.
There was a question about associativity in the exam.
Míníonn an múinteoir dlí na comhthiomsaitheachta.
The teacher explains the associative law.
Níl comhthiomsaitheacht ag baint leis an dealú.
Subtraction does not have associativity.
Tá comhthiomsaitheacht ag an suimiú agus ag an iolrú.
Addition and multiplication are associative.
Chruthaigh sí an chomhthiomsaitheacht ar an gclár bán.
She proved associativity on the whiteboard.
Foghlaimímid faoin gcomhthiomsaitheacht i rang a sé.
We learn about associativity in sixth class.

Other nouns in Irish

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Associativity in Irish: frequently asked questions

What is the Irish for associativity?

The Irish for associativity is comhthiomsaitheacht (pronounced “koh-HUM-suh-hukht”). It’s a feminine noun.

How do you pronounce comhthiomsaitheacht in Irish?

Comhthiomsaitheacht is said like “koh-HUM-suh-hukht” (IPA /ˈkoːˌhʊmsˠəhəxt̪ˠ/).

Does comhthiomsaitheacht have a plural?

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

Why does comhthiomsaitheacht change to chomhthiomsaitheacht or gcomhthiomsaitheacht?

Irish changes the start of some words after certain words. After mo (my) comhthiomsaitheacht becomes mo chomhthiomsaitheacht (lenition), and after ár (our) or i (in) it becomes ár gcomhthiomsaitheacht (eclipsis).

How is comhthiomsaitheacht different from comhbhabhtáilteacht?

Comhthiomsaitheacht is associativity, about grouping terms, while comhbhabhtáilteacht is commutativity, about changing the order of terms.

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