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Lens in Irish (Lionsa): Meaning, Pronunciation, Usage

The Irish for lens is lionsa, a masculine noun (plural lionsaí).
Updated October 2026Report a mistake

How to say “lens” in Irish

Irish:
lionsa
English:
lens
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“LIN-suh”  /ˈlʲɪn̪ˠsˠə/
Various forms
Plural:
lionsaí (lenses)
Genitive singular:
lionsa, an lionsa (e.g. clúdach an lionsa, the lens cap)
Genitive plural:
lionsaí, na lionsaí (e.g. glanadh na lionsaí, the cleaning of the lenses)

What does “lionsa” mean?

lens
A curved piece of glass or plastic that bends light, used in cameras, glasses and microscopes.Also: camera lens, optical lens, eyeglass lens.

“Lionsa” with the article

The plural of lens in Irish is lionsaí. Here is lionsa after the article (an t-alt), in the singular and the plural.

an lionsa
the lens
No change after an
na lionsaí
the lenses
Plural: no change after na

“Lionsa” in a sentence: Irish examples

Common Irish sentences using lionsa, the Irish word for lens.

Tá smál ar an lionsa.
There's a smudge on the lens.
Cheannaigh sé lionsa nua dá cheamara.
He bought a new lens for his camera.
Glan lionsaí do spéaclaí go cúramach.
Clean your glasses lenses carefully.
Bhris mé mo lionsa inné.
I broke my lens yesterday.
Caitheann sí lionsaí tadhaill anois.
She wears contact lenses now.
Tá dath gorm ar chlúdach an lionsa.
The lens cover is blue.
Bhí deannach sa lionsa.
There was dust in the lens.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lens in Irish: frequently asked questions

What is the Irish for lens?

The Irish for lens is lionsa (pronounced “LIN-suh”). It’s a masculine noun and the plural is lionsaí.

How do you pronounce lionsa in Irish?

Lionsa is said like “LIN-suh” (IPA /ˈlʲɪn̪ˠsˠə/).

What is the plural of lens in Irish?

The plural of lionsa is lionsaí; with the article, na lionsaí means “the lenses”. The genitive plural is lionsaí, as in glanadh na lionsaí (the cleaning of the lenses).

How do I say contact lenses in Irish?

Contact lenses are lionsaí tadhaill, from tadhall 'touch'.

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