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Objective lens in Irish (Réadlionsa): Meaning, Pronunciation, Usage

The Irish for objective lens is réadlionsa, a masculine noun (plural réadlionsaí).
Updated October 2026Report a mistake

How to say “objective lens” in Irish

Irish:
réadlionsa
English:
objective lens
Word type:
noun
Gender:
masculine
Pronunciation:
“RAYD-lin-suh”  /ˈreːdˌlʲɪn̪ˠsˠə/
Various forms
Plural:
réadlionsaí (objective lenses)
Genitive singular:
réadlionsa, an réadlionsa (e.g. fad fócasach an réadlionsa, focal length of the objective lens)
Genitive plural:
réadlionsaí, na réadlionsaí (e.g. fad fócasach na réadlionsaí, the focal length of the objective lenses)

What does “réadlionsa” mean?

objective lens
The lens at the front of a microscope or telescope, nearest to the object being looked at.Also: objective, object glass, object lens.

“Réadlionsa” with the article

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

an réadlionsa
the objective lens
No change after an
na réadlionsaí
the objective lenses
Plural: no change after na

“Réadlionsa” in a sentence: Irish examples

Common Irish sentences using réadlionsa, the Irish word for objective lens.

Tá réadlionsa nua ar an teileascóp sin.
That telescope has a new objective lens.
Glan an réadlionsa go cúramach roimh an turgnamh.
Clean the objective lens carefully before the experiment.
Tá trí réadlionsa ar an micreascóp seo.
This microscope has three objective lenses.
Bailíonn an réadlionsa an solas ón réad.
The objective lens gathers the light from the object.
Bhí smál ar mo réadlionsa inné.
There was a smudge on my objective lens yesterday.
Tá cumhacht an réadlionsa scríofa ar a thaobh.
The power of the objective lens is written on its side.
Athraigh na réadlionsaí chun an formhéadú a mhéadú.
Change the objective lenses to increase the magnification.

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Objective lens in Irish: frequently asked questions

What is the Irish for objective lens?

The Irish for objective lens is réadlionsa (pronounced “RAYD-lin-suh”). It’s a masculine noun and the plural is réadlionsaí.

How do you pronounce réadlionsa in Irish?

Réadlionsa is said like “RAYD-lin-suh” (IPA /ˈreːdˌlʲɪn̪ˠsˠə/).

What is the plural of objective lens in Irish?

The plural of réadlionsa is réadlionsaí; with the article, na réadlionsaí means “the objective lenses”. The genitive plural is réadlionsaí, as in fad fócasach na réadlionsaí (the focal length of the objective lenses).

What is the difference between 'réadlionsa' and 'súilphíosa'?

The 'réadlionsa' is the lens nearest the object being viewed, while the 'súilphíosa' is the eyepiece you look through.

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