HeyRua Get the app

Vacuum tube in Irish (Folúslampa): Meaning, Pronunciation, Usage

The Irish for vacuum tube is folúslampa, a masculine noun (plural folúslampaí).
Updated October 2026Report a mistake

How to say “vacuum tube” in Irish

Irish:
folúslampa
English:
vacuum tube
Word type:
noun
Gender:
masculine
Pronunciation:
“FOL-oos-lam-puh”  /ˈfˠɔl̪ˠuːsˌl̪ˠampə/
Various forms
Plural:
folúslampaí (vacuum tubes)
Genitive singular:
folúslampa, an fholúslampa (e.g. gloine an fholúslampa, the glass of the vacuum tube)
Genitive plural:
folúslampaí, na bhfolúslampaí (e.g. aimplitheoir folúslampaí, a vacuum tube amplifier)

What does “folúslampa” mean?

vacuum tube
An electronic valve in which current flows through a vacuum inside a sealed glass tube, used in old radios and amplifiers.Also: vacuum valve, thermionic valve, valve.

“Folúslampa” with the article

The plural of vacuum tube in Irish is folúslampaí. Here is folúslampa after the article (an t-alt), in the singular and the plural.

an folúslampa
the vacuum tube
No change after an
na folúslampaí
the vacuum tubes
Plural: no change after na

“Folúslampa” in a sentence: Irish examples

Common Irish sentences using folúslampa, the Irish word for vacuum tube.

Is folúslampa é seo ó sheanraidió.
This is a vacuum tube from an old radio.
Bhris an folúslampa nuair a thit sé.
The vacuum tube broke when it fell.
Tá solas oráiste ag teacht ón bhfolúslampa.
An orange light is coming from the vacuum tube.
Bhí folúslampaí sna chéad ríomhairí.
The first computers had vacuum tubes.
Cheannaigh mé folúslampaí nua don aimplitheoir.
I bought new vacuum tubes for the amplifier.
Tá m'fholúslampa ag éirí te.
My vacuum tube is getting hot.
Ní úsáidtear an folúslampa mórán inniu.
The vacuum tube is not used much today.

Other nouns in Irish

More everyday Irish nouns to learn next.

Vacuum tube in Irish: frequently asked questions

What is the Irish for vacuum tube?

The Irish for vacuum tube is folúslampa (pronounced “FOL-oos-lam-puh”). It’s a masculine noun and the plural is folúslampaí.

How do you pronounce folúslampa in Irish?

Folúslampa is said like “FOL-oos-lam-puh” (IPA /ˈfˠɔl̪ˠuːsˌl̪ˠampə/).

What is the plural of vacuum tube in Irish?

The plural of folúslampa is folúslampaí; with the article, na folúslampaí means “the vacuum tubes”. The genitive plural is folúslampaí, as in aimplitheoir folúslampaí (a vacuum tube amplifier).

Why does folúslampa change to fholúslampa or bhfolúslampa?

Irish changes the start of some words after certain words. After mo (my) folúslampa becomes m'fholúslampa (lenition), and after ár (our) or i (in) it becomes ár bhfolúslampa (eclipsis).

How is 'folúslampa' formed?

It combines 'folús' (vacuum) and 'lampa' (lamp), so literally 'vacuum lamp'. Do not confuse it with 'folúsghlantóir', a vacuum cleaner.

Learn Irish by
actually speaking it

Learn everyday Irish words like folúslampa through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen