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Light year in Irish (Solasbhliain): Meaning, Pronunciation, Usage

The Irish for light year is solasbhliain, a feminine noun (plural solasbhlianta).
Updated October 2026Report a mistake

How to say “light year” in Irish

Irish:
solasbhliain
English:
light year
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“SUL-us-vleen”  /ˈsˠɔl̪ˠəsˌvʲlʲiənʲ/
Various forms
Plural:
solasbhlianta (light years)
Genitive singular:
solasbhliana, na solasbhliana (e.g. fad solasbhliana, the length of a light year)
Genitive plural:
solasbhlianta, na solasbhlianta (e.g. na milliúin solasbhlianta, millions of light years)

What does “solasbhliain” mean?

light year
An astronomical unit of distance equal to the distance light travels in one year.Also: light-year, astronomical distance.

“Solasbhliain” with the article

The plural of light year in Irish is solasbhlianta. Here is solasbhliain after the article (an t-alt), in the singular and the plural.

an tsolasbhliain
the light year
Feminine nouns take t before s after an
na solasbhlianta
the light years
Plural: no change after na

“Solasbhliain” in a sentence: Irish examples

Common Irish sentences using solasbhliain, the Irish word for light year.

Is aonad faid í an tsolasbhliain.
A light year is a unit of length.
Tá an réalta sin deich solasbhliain uainn.
That star is ten light years from us.
Tá an réaltra sin na milliúin solasbhlianta i gcéin.
That galaxy is millions of light years away.
Cé mhéad ciliméadar atá i solasbhliain?
How many kilometres are in a light year?
Mhínigh an múinteoir brí na solasbhliana dúinn.
The teacher explained the meaning of the light year to us.
Tomhaistear achair mhóra sa spás i solasbhlianta.
Great distances in space are measured in light years.
Ní tréimhse ama í solasbhliain ach fad.
A light year is not a period of time but a distance.

Other nouns in Irish

More everyday Irish nouns to learn next.

Light year in Irish: frequently asked questions

What is the Irish for light year?

The Irish for light year is solasbhliain (pronounced “SUL-us-vleen”). It’s a feminine noun and the plural is solasbhlianta.

How do you pronounce solasbhliain in Irish?

Solasbhliain is said like “SUL-us-vleen” (IPA /ˈsˠɔl̪ˠəsˌvʲlʲiənʲ/).

What is the plural of light year in Irish?

The plural of solasbhliain is solasbhlianta; with the article, na solasbhlianta means “the light years”. The genitive plural is solasbhlianta, as in na milliúin solasbhlianta (millions of light years).

Why does solasbhliain change to sholasbhliain?

After words like mo (my) and do (your) the first letter is lenited: mo sholasbhliain. After ár (our) it stays ár solasbhliain, because s does not take eclipsis.

Is solasbhliain a measure of time?

No, solasbhliain measures distance, the distance light travels in a year, even though it contains bliain 'year'.

Why is it 'deich solasbhliain' and not 'deich solasbhlianta'?

Like bliain, it usually keeps the special singular form after numbers such as trí, ceithre and deich: trí solasbhliain.

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