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Calculus in Irish (Calcalas): Meaning, Pronunciation, Usage

The Irish for calculus is calcalas, a masculine noun.
Updated October 2026Report a mistake

How to say “calculus” in Irish

Irish:
calcalas
English:
calculus
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KAL-kuh-lus”  /ˈkalˠkəlˠəsˠ/
Various forms
Genitive singular:
calcalais, an chalcalais (e.g. bunphrionsabail an chalcalais, the basic principles of calculus)

What does “calcalas” mean?

calculus
The branch of mathematics that deals with rates of change (differentiation) and accumulation (integration).Also: differential calculus, integral calculus.

“Calcalas” with the article

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

an calcalas
the calculus
No change after an

“Calcalas” in a sentence: Irish examples

Common Irish sentences using calcalas, the Irish word for calculus.

Tá calcalas deacair ach suimiúil.
Calculus is difficult but interesting.
Thosaíomar ag déanamh calcalais sa séú bliain.
We started doing calculus in sixth year.
Is maith liom an calcalas níos mó ná an ailgéabar.
I like calculus more than algebra.
Tá scrúdú calcalais againn amárach.
We have a calculus exam tomorrow.
Bhain Newton úsáid as calcalas san fhisic.
Newton used calculus in physics.
Níl mórán eolais agam ar an gcalcalas fós.
I don't know much about calculus yet.
Is cuid thábhachtach den mhatamaitic é an calcalas.
Calculus is an important part of mathematics.

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Calculus in Irish: frequently asked questions

What is the Irish for calculus?

The Irish for calculus is calcalas (pronounced “KAL-kuh-lus”). It’s a masculine noun.

How do you pronounce calcalas in Irish?

Calcalas is said like “KAL-kuh-lus” (IPA /ˈkalˠkəlˠəsˠ/).

Does calcalas have a plural?

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

Why does calcalas change to chalcalas or gcalcalas?

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

Does 'calcalas' also mean a stone in the body, like English 'calculus'?

No. 'Calcalas' is used for the mathematical subject; a kidney or gall stone is 'cloch' (for example 'cloch duáin').

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