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Watt-hour in Irish (Vatuair): Meaning, Pronunciation, Usage

The Irish for watt-hour is vatuair, a feminine noun (plural vatuaireanta).
Updated October 2026Report a mistake

How to say “watt-hour” in Irish

Irish:
vatuair
English:
watt-hour
Word type:
noun
Gender:
feminine
Pronunciation:
“VAT-oo-ir”  /ˈvat̪ˌuəɾʲ/
Various forms
Plural:
vatuaireanta (watt-hours)
Genitive singular:
vatuaire, na vatuaire (e.g. luach vatuaire, the value of a watt-hour)
Genitive plural:
vatuaireanta, na vatuaireanta (e.g. costas na vatuaireanta, the cost of the watt-hours)

What does “vatuair” mean?

watt-hour
A unit of energy equal to one watt of power used for one hour.Also: unit of energy, energy unit.

“Vatuair” with the article

The plural of watt-hour in Irish is vatuaireanta. Here is vatuair after the article (an t-alt), in the singular and the plural.

an vatuair
the watt-hour
No change after an
na vatuaireanta
the watt-hours
Plural: no change after na

“Vatuair” in a sentence: Irish examples

Common Irish sentences using vatuair, the Irish word for watt-hour.

Is aonad fuinnimh í an vatuair.
The watt-hour is a unit of energy.
Úsáideann an bolgán seo deich vatuair san uair.
This bulb uses ten watt-hours every hour.
Tá míle vatuair i gcileavatuair amháin.
There are a thousand watt-hours in one kilowatt-hour.
Tomhaistear toilleadh an chadhnra i vatuaireanta.
The battery's capacity is measured in watt-hours.
Cé mhéad vatuair a úsáideann an ríomhaire?
How many watt-hours does the computer use?
Míníonn an múinteoir brí na vatuaire don rang.
The teacher explains the meaning of the watt-hour to the class.
Scríobh an toradh i vatuaireanta, le do thoil.
Write the result in watt-hours, please.

Other nouns in Irish

More everyday Irish nouns to learn next.

Watt-hour in Irish: frequently asked questions

What is the Irish for watt-hour?

The Irish for watt-hour is vatuair (pronounced “VAT-oo-ir”). It’s a feminine noun and the plural is vatuaireanta.

How do you pronounce vatuair in Irish?

Vatuair is said like “VAT-oo-ir” (IPA /ˈvat̪ˌuəɾʲ/).

What is the plural of watt-hour in Irish?

The plural of vatuair is vatuaireanta; with the article, na vatuaireanta means “the watt-hours”. The genitive plural is vatuaireanta, as in costas na vatuaireanta (the cost of the watt-hours).

What is the difference between 'vata' and 'vatuair'?

'Vata' is a watt, a unit of power, while 'vatuair' is a watt-hour, a unit of energy. Electricity bills usually use 'cileavatuair', kilowatt-hour.

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