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Coefficient in Irish (Comhéifeacht): Meaning, Pronunciation, Usage

The Irish for coefficient is comhéifeacht, a feminine noun (plural comhéifeachtaí).
Updated October 2026Report a mistake

How to say “coefficient” in Irish

Irish:
comhéifeacht
English:
coefficient
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“KOH-ay-fyakht”  /ˈkoːˌeːfʲəxt̪/
Various forms
Plural:
comhéifeachtaí (coefficients)
Genitive singular:
comhéifeachta, na comhéifeachta (e.g. luach na comhéifeachta, value of the coefficient)
Genitive plural:
comhéifeachtaí, na gcomhéifeachtaí (e.g. tábla na gcomhéifeachtaí, the table of coefficients)

What does “comhéifeacht” mean?

coefficient
A number or quantity that multiplies another quantity, or a constant measuring some property, in mathematics and science.Also: multiplier, constant factor.

“Comhéifeacht” with the article

The plural of coefficient in Irish is comhéifeachtaí. Here is comhéifeacht after the article (an t-alt), in the singular and the plural.

an chomhéifeacht
the coefficient
Lenition: c becomes ch after an (feminine noun)
na comhéifeachtaí
the coefficients
Plural: no change after na

“Comhéifeacht” in a sentence: Irish examples

Common Irish sentences using comhéifeacht, the Irish word for coefficient.

Is é trí comhéifeacht x sa chothromóid seo.
Three is the coefficient of x in this equation.
Ríomh an chomhéifeacht ar dtús.
Calculate the coefficient first.
Tá luach na comhéifeachta diúltach.
The value of the coefficient is negative.
Scríobh na comhéifeachtaí go léir sa tábla.
Write all the coefficients in the table.
Tá botún i mo chomhéifeacht, is dóigh liom.
I think there is a mistake in my coefficient.
Úsáidtear comhéifeacht frithchuimilte san fhisic.
A coefficient of friction is used in physics.
Cuir na comhéifeachtaí i gcomparáid le chéile.
Compare the coefficients with each other.

Other nouns in Irish

More everyday Irish nouns to learn next.

Coefficient in Irish: frequently asked questions

What is the Irish for coefficient?

The Irish for coefficient is comhéifeacht (pronounced “KOH-ay-fyakht”). It’s a feminine noun and the plural is comhéifeachtaí.

How do you pronounce comhéifeacht in Irish?

Comhéifeacht is said like “KOH-ay-fyakht” (IPA /ˈkoːˌeːfʲəxt̪/).

What is the plural of coefficient in Irish?

The plural of comhéifeacht is comhéifeachtaí; with the article, na comhéifeachtaí means “the coefficients”. The genitive plural is comhéifeachtaí, as in tábla na gcomhéifeachtaí (the table of coefficients).

Why does comhéifeacht change to chomhéifeacht or gcomhéifeacht?

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

How is 'comhéifeacht' formed?

It combines the prefix 'comh-' (co-, joint) with 'éifeacht' (effect), mirroring English 'coefficient'.

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