HeyRua Get the app

Determinant in Irish (Deitéarmanant): Meaning, Pronunciation, Usage

The Irish for determinant is deitéarmanant, a masculine noun (plural deitéarmanaint).
Updated October 2026Report a mistake

How to say “determinant” in Irish

Irish:
deitéarmanant
English:
determinant
Word type:
noun
Gender:
masculine
Pronunciation:
“jeh-TAYR-muh-nant”  /dʲɛˈtʲeːɾˠəmˠənˠən̪ˠtˠ/
Various forms
Plural:
deitéarmanaint (determinants)
Genitive singular:
deitéarmanaint, an deitéarmanaint (e.g. luach an deitéarmanaint, the value of the determinant)
Genitive plural:
deitéarmanant, na ndeitéarmanant (e.g. airíonna na ndeitéarmanant, the properties of the determinants)

What does “deitéarmanant” mean?

“Deitéarmanant” has two alternative meanings. The most common comes first.

determinant
In mathematics, a single number calculated from a square matrix of numbers.Also: matrix determinant.
1 other meaning:
2determinant
A factor or thing that decides or strongly influences the nature or outcome of something.Also: determining factor, deciding factor.

“Deitéarmanant” with the article

The plural of determinant in Irish is deitéarmanaint. Here is deitéarmanant after the article (an t-alt), in the singular and the plural.

an deitéarmanant
the determinant
No change after an
na deitéarmanaint
the determinants
Plural: no change after na

“Deitéarmanant” in a sentence: Irish examples

Common Irish sentences using deitéarmanant, the Irish word for determinant.

Ríomh an deitéarmanant den mhaitrís seo.
Calculate the determinant of this matrix.
Is nialas luach an deitéarmanaint.
The value of the determinant is zero.
D'fhoghlaimíomar faoi dheitéarmanaint sa rang matamaitice inniu.
We learned about determinants in maths class today.
Tá botún i mo dheitéarmanant, sílim.
There is a mistake in my determinant, I think.
Is deitéarmanant tábhachtach sláinte é an t-ioncam.
Income is an important determinant of health.
Scríobh sí an deitéarmanant ar an gclár bán.
She wrote the determinant on the whiteboard.
Míníonn an leabhar airíonna deitéarmanant go soiléir.
The book explains the properties of determinants clearly.

Other nouns in Irish

More everyday Irish nouns to learn next.

Determinant in Irish: frequently asked questions

What is the Irish for determinant?

The Irish for determinant is deitéarmanant (pronounced “jeh-TAYR-muh-nant”). It’s a masculine noun and the plural is deitéarmanaint.

How do you pronounce deitéarmanant in Irish?

Deitéarmanant is said like “jeh-TAYR-muh-nant” (IPA /dʲɛˈtʲeːɾˠəmˠənˠən̪ˠtˠ/).

What is the plural of determinant in Irish?

The plural of deitéarmanant is deitéarmanaint; with the article, na deitéarmanaint means “the determinants”. The genitive plural is deitéarmanant, as in airíonna na ndeitéarmanant (the properties of the determinants).

Why does deitéarmanant change to dheitéarmanant or ndeitéarmanant?

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

Is 'deitéarmanant' used for a deciding factor in everyday speech?

Mainly in technical or academic writing; in everyday speech 'fachtóir' or 'rud cinntitheach' is more natural.

Learn Irish by
actually speaking it

Learn everyday Irish words like deitéarmanant through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen