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Polarizer in Irish (Polaraitheoir): Meaning, Pronunciation, Usage

The Irish for polarizer is polaraitheoir, a masculine noun (plural polaraitheoirí).
Updated October 2026Report a mistake

How to say “polarizer” in Irish

Irish:
polaraitheoir
English:
polarizer
Word type:
noun
Gender:
masculine
Pronunciation:
“POL-uh-ree-hore”  /ˈpˠɔl̪ˠəɾˠiːhoːɾʲ/
Various forms
Plural:
polaraitheoirí (polarizers)
Genitive singular:
polaraitheora, an pholaraitheora (e.g. ais an pholaraitheora, axis of the polarizer)
Genitive plural:
polaraitheoirí, na bpolaraitheoirí (e.g. úsáid na bpolaraitheoirí, the use of the polarizers)

What does “polaraitheoir” mean?

polarizer
A device or substance, such as a filter, that polarizes light or another wave.Also: polariser, polarizing filter, polaroid filter.

“Polaraitheoir” with the article

The plural of polarizer in Irish is polaraitheoirí. Here is polaraitheoir after the article (an t-alt), in the singular and the plural.

an polaraitheoir
the polarizer
No change after an
na polaraitheoirí
the polarizers
Plural: no change after na

“Polaraitheoir” in a sentence: Irish examples

Common Irish sentences using polaraitheoir, the Irish word for polarizer.

Cuir polaraitheoir os comhair an lionsa.
Put a polarizer in front of the lens.
Laghdaíonn an polaraitheoir an dalladh ón uisce.
The polarizer reduces the glare from the water.
Cas ais an pholaraitheora go mall.
Turn the axis of the polarizer slowly.
Bhí dhá pholaraitheoir againn sa tsaotharlann inniu.
We had two polarizers in the lab today.
Tá scríob ar mo pholaraitheoir nua.
There is a scratch on my new polarizer.
Ní théann aon solas trí na polaraitheoirí trasnaithe.
No light passes through the crossed polarizers.
Úsáidtear polaraitheoirí i spéaclaí gréine.
Polarizers are used in sunglasses.

Other nouns in Irish

More everyday Irish nouns to learn next.

Polarizer in Irish: frequently asked questions

What is the Irish for polarizer?

The Irish for polarizer is polaraitheoir (pronounced “POL-uh-ree-hore”). It’s a masculine noun and the plural is polaraitheoirí.

How do you pronounce polaraitheoir in Irish?

Polaraitheoir is said like “POL-uh-ree-hore” (IPA /ˈpˠɔl̪ˠəɾˠiːhoːɾʲ/).

What is the plural of polarizer in Irish?

The plural of polaraitheoir is polaraitheoirí; with the article, na polaraitheoirí means “the polarizers”. The genitive plural is polaraitheoirí, as in úsáid na bpolaraitheoirí (the use of the polarizers).

Why does polaraitheoir change to pholaraitheoir or bpolaraitheoir?

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

How is 'polaraitheoir' related to 'polarú'?

'Polarú' is the process of polarization, and 'polaraitheoir' is the device that does it, formed with the agent ending -eoir.

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