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Kelvin in Irish (Ceilvin): Meaning, Pronunciation, Usage

The Irish for kelvin is ceilvin, a masculine noun (plural ceilviní).
Updated October 2026Report a mistake

How to say “kelvin” in Irish

Irish:
ceilvin
English:
kelvin
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“KEL-vin”  /ˈcɛlʲvʲɪnʲ/
Various forms
Plural:
ceilviní (kelvins)
Genitive singular:
ceilvin, an cheilvin (e.g. luach an cheilvin, value of the kelvin)
Genitive plural:
ceilviní, na gceilviní (e.g. líon na gceilviní, the number of kelvins)

What does “ceilvin” mean?

kelvin
The SI base unit of thermodynamic temperature, equal in size to one degree Celsius.Also: kelvin unit, unit of temperature, absolute temperature unit.

“Ceilvin” with the article

The plural of kelvin in Irish is ceilviní. Here is ceilvin after the article (an t-alt), in the singular and the plural.

an ceilvin
the kelvin
No change after an
na ceilviní
the kelvins
Plural: no change after na

“Ceilvin” in a sentence: Irish examples

Common Irish sentences using ceilvin, the Irish word for kelvin.

Is aonad teochta é an ceilvin.
The kelvin is a unit of temperature.
Tomhaistear teocht absalóideach i gceilviní.
Absolute temperature is measured in kelvins.
Tá ceilvin amháin chomh mór le céim Celsius amháin.
One kelvin is as large as one degree Celsius.
Thosaigh an múinteoir ag míniú an cheilvin dúinn.
The teacher started explaining the kelvin to us.
Bhí an gás fuaraithe go dtí deich gceilvin.
The gas had been cooled to ten kelvins.
Scríobh an toradh sa cheilvin, le do thoil.
Write the result in kelvin, please.
Cé mhéad ceilvin atá i gcéim amháin?
How many kelvins are in one degree?

Other nouns in Irish

More everyday Irish nouns to learn next.

Kelvin in Irish: frequently asked questions

What is the Irish for kelvin?

The Irish for kelvin is ceilvin (pronounced “KEL-vin”). It’s a masculine noun and the plural is ceilviní.

How do you pronounce ceilvin in Irish?

Ceilvin is said like “KEL-vin” (IPA /ˈcɛlʲvʲɪnʲ/).

What is the plural of kelvin in Irish?

The plural of ceilvin is ceilviní; with the article, na ceilviní means “the kelvins”. The genitive plural is ceilviní, as in líon na gceilviní (the number of kelvins).

Why does ceilvin change to cheilvin or gceilvin?

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

Do you say 'céim' with 'ceilvin' as with Celsius?

No, you say 'trí chéad ceilvin' (three hundred kelvins), not 'céimeanna ceilvin', just as English says kelvins rather than degrees kelvin.

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