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Separator in Irish (Deighilteoir): Meaning, Pronunciation, Usage

‘deighilteoir’ also means: separatist

The Irish for separator is deighilteoir, a masculine noun (plural deighilteoirí).
Updated October 2026Report a mistake

How to say “separator” in Irish

Irish:
deighilteoir
English:
separator, separatist
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“DYILE-tyohr”  /ˈdʲailʲtʲoːrʲ/
Various forms
Plural:
deighilteoirí (separators)
Genitive singular:
deighilteora, an deighilteora (e.g. lámh an deighilteora, the separator's handle)
Genitive plural:
deighilteoirí, na ndeighilteoirí (e.g. úsáid na ndeighilteoirí, the use of the separators)

What does “deighilteoir” mean?

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

separator
A device or thing that separates one substance or part from another, such as a machine that separates cream from milk.Also: splitter, divider.
1 other meaning: separatist
2separatist
A person who favours separation, especially political separation from a larger state or body.Also: secessionist.

“Deighilteoir” with the article

The plural of separator in Irish is deighilteoirí. Here is deighilteoir after the article (an t-alt), in the singular and the plural.

an deighilteoir
the separator
No change after an
na deighilteoirí
the separators
Plural: no change after na

“Deighilteoir” in a sentence: Irish examples

Common Irish sentences using deighilteoir, the Irish word for separator.

Cheannaigh an feirmeoir deighilteoir nua.
The farmer bought a new separator.
Tá an deighilteoir briste arís.
The separator is broken again.
Ghlan sí páirteanna an deighilteora go cúramach.
She cleaned the parts of the separator carefully.
Bhí deighilteoirí i ngach uachtarlann fadó.
There were separators in every creamery long ago.
Chuir mé an bainne sa deighilteoir.
I put the milk in the separator.
Úsáidtear deighilteoir chun uachtar a bhaint as bainne.
A separator is used to take cream from milk.
Bhí sé ina dheighilteoir polaitiúil riamh.
He was always a political separatist.

Other nouns in Irish

More everyday Irish nouns to learn next.

Separator in Irish: frequently asked questions

What is the Irish for separator?

The Irish for separator is deighilteoir (pronounced “DYILE-tyohr”). It’s a masculine noun and the plural is deighilteoirí. Depending on context it can also mean separatist.

How do you pronounce deighilteoir in Irish?

Deighilteoir is said like “DYILE-tyohr” (IPA /ˈdʲailʲtʲoːrʲ/).

What is the plural of separator in Irish?

The plural of deighilteoir is deighilteoirí; with the article, na deighilteoirí means “the separators”. The genitive plural is deighilteoirí, as in úsáid na ndeighilteoirí (the use of the separators).

Does deighilteoir have more than one meaning?

Yes. Deighilteoir can mean separator or separatist, depending on context; the first is the most common.

Why does deighilteoir change to dheighilteoir or ndeighilteoir?

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

How is 'deighilteoir' related to 'deighilt'?

'Deighilteoir' is the agent noun from 'deighil' (separate); 'deighilt' means separation or a partition.

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