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Eyepiece in Irish (Súilphíosa): Meaning, Pronunciation, Usage

The Irish for eyepiece is súilphíosa, a masculine noun (plural súilphíosaí).
Updated October 2026Report a mistake

How to say “eyepiece” in Irish

Irish:
súilphíosa
English:
eyepiece
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“SOOL-fee-suh”  /ˈsuːlʲˌfʲiːsˠə/
Various forms
Plural:
súilphíosaí (eyepieces)
Genitive singular:
súilphíosa, an tsúilphíosa (e.g. lionsa an tsúilphíosa, the lens of the eyepiece)
Genitive plural:
súilphíosaí, na súilphíosaí (e.g. cumhacht na súilphíosaí, the power of the eyepieces)

What does “súilphíosa” mean?

eyepiece
The lens or group of lenses nearest the eye in an optical instrument such as a telescope or microscope.Also: ocular, eye lens.

“Súilphíosa” with the article

The plural of eyepiece in Irish is súilphíosaí. Here is súilphíosa after the article (an t-alt), in the singular and the plural.

an súilphíosa
the eyepiece
No change after an
na súilphíosaí
the eyepieces
Plural: no change after na

“Súilphíosa” in a sentence: Irish examples

Common Irish sentences using súilphíosa, the Irish word for eyepiece.

Féach tríd an súilphíosa go cúramach.
Look carefully through the eyepiece.
Tá an súilphíosa salach, glan é.
The eyepiece is dirty, clean it.
Chuir sé súilphíosa nua ar an teileascóp.
He put a new eyepiece on the telescope.
Tá dhá shúilphíosa ar an micreascóp seo.
This microscope has two eyepieces.
Ní fheicim aon rud i mo shúilphíosa.
I can't see anything in my eyepiece.
Cheannaíomar súilphíosaí éagsúla don réalteolaíocht.
We bought different eyepieces for astronomy.
Cas fáinne an tsúilphíosa chun fócas a fháil.
Turn the eyepiece ring to get focus.

Other nouns in Irish

More everyday Irish nouns to learn next.

Eyepiece in Irish: frequently asked questions

What is the Irish for eyepiece?

The Irish for eyepiece is súilphíosa (pronounced “SOOL-fee-suh”). It’s a masculine noun and the plural is súilphíosaí.

How do you pronounce súilphíosa in Irish?

Súilphíosa is said like “SOOL-fee-suh” (IPA /ˈsuːlʲˌfʲiːsˠə/).

What is the plural of eyepiece in Irish?

The plural of súilphíosa is súilphíosaí; with the article, na súilphíosaí means “the eyepieces”. The genitive plural is súilphíosaí, as in cumhacht na súilphíosaí (the power of the eyepieces).

Why does súilphíosa change to shúilphíosa?

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

How is 'súilphíosa' formed?

It is a compound of 'súil' (eye) and 'píosa' (piece), with lenition of the second element, giving 'súilphíosa', a direct parallel to English 'eyepiece'.

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