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Divider in Irish (Roinnteoir): Meaning, Pronunciation, Usage

‘roinnteoir’ also means: divisor

The Irish for divider is roinnteoir, a masculine noun (plural roinnteoirí).
Updated October 2026Report a mistake

How to say “divider” in Irish

Irish:
roinnteoir
English:
divider, divisor
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“RIN-tyohr”  /ˈrˠɪn̠ʲtʲoːɾʲ/
Various forms
Plural:
roinnteoirí (dividers)
Genitive singular:
roinnteora, an roinnteora (e.g. luach an roinnteora, the value of the divisor)
Genitive plural:
roinnteoirí, na roinnteoirí (e.g. suim na roinnteoirí, the sum of the divisors)

What does “roinnteoir” mean?

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

divider
A person or thing that divides or distributes something into parts or shares.Also: distributor, sharer.
1 other meaning: divisor
2divisor
In mathematics, the number by which another number is divided.

“Roinnteoir” with the article

The plural of divider in Irish is roinnteoirí. Here is roinnteoir after the article (an t-alt), in the singular and the plural.

an roinnteoir
the divider
No change after an
na roinnteoirí
the dividers
Plural: no change after na

“Roinnteoir” in a sentence: Irish examples

Common Irish sentences using roinnteoir, the Irish word for divider.

Is é a trí an roinnteoir sa tsuim seo.
Three is the divisor in this sum.
Ní féidir nialas a úsáid mar roinnteoir.
You cannot use zero as a divisor.
Scríobh luach an roinnteora ar an gclár.
Write the value of the divisor on the board.
Aimsigh na roinnteoirí go léir den uimhir dhá cheann déag.
Find all the divisors of the number twelve.
Bhí an roinnteoir cothrom leis an mbia a dháileadh.
The distributor was fair in sharing out the food.
Cuir an roinnteoir faoin líne sa chothromóid.
Put the divisor under the line in the equation.
Is roinnteoir coitianta é a dó don dá uimhir.
Two is a common divisor of both numbers.

Other nouns in Irish

More everyday Irish nouns to learn next.

Divider in Irish: frequently asked questions

What is the Irish for divider?

The Irish for divider is roinnteoir (pronounced “RIN-tyohr”). It’s a masculine noun and the plural is roinnteoirí. Depending on context it can also mean divisor.

How do you pronounce roinnteoir in Irish?

Roinnteoir is said like “RIN-tyohr” (IPA /ˈrˠɪn̠ʲtʲoːɾʲ/).

What is the plural of divider in Irish?

The plural of roinnteoir is roinnteoirí; with the article, na roinnteoirí means “the dividers”. The genitive plural is roinnteoirí, as in suim na roinnteoirí (the sum of the divisors).

Does roinnteoir have more than one meaning?

Yes. Roinnteoir can mean divider or divisor, depending on context; the first is the most common.

What is the difference between 'roinnteoir' and 'roinnteán'?

In arithmetic 'roinnteoir' is the divisor, the number you divide by, while 'roinnteán' is the dividend, the number being divided.

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