HeyRua Get the app

Long wave in Irish (Fadtonn): Meaning, Pronunciation, Usage

The Irish for long wave is fadtonn, a feminine noun (plural fadtonnta).
Updated October 2026Report a mistake

How to say “long wave” in Irish

Irish:
fadtonn
English:
long wave
Word type:
noun
Gender:
feminine
Pronunciation:
“FAD-toun”  /ˈfˠadˠt̪ˠən̪ˠ/
Various forms
Plural:
fadtonnta (long waves)
Genitive singular:
fadtoinne, na fadtoinne (e.g. raidió fadtoinne, long-wave radio)
Genitive plural:
fadtonnta, na bhfadtonnta (e.g. craoladh ar fhadtonnta, broadcasting on long waves)

What does “fadtonn” mean?

long wave
A radio wave of long wavelength, or the long-wave band used for radio broadcasting.Also: longwave, long-wave radio, lw.

“Fadtonn” with the article

The plural of long wave in Irish is fadtonnta. Here is fadtonn after the article (an t-alt), in the singular and the plural.

an fhadtonn
the long wave
Lenition: f becomes fh after an (feminine noun)
na fadtonnta
the long waves
Plural: no change after na

“Fadtonn” in a sentence: Irish examples

Common Irish sentences using fadtonn, the Irish word for long wave.

Bíonn an stáisiún sin ar fhadtonn.
That station is on long wave.
Craoltar an clár ar an bhfadtonn freisin.
The programme is also broadcast on long wave.
Tá seanraidió fadtoinne ag mo sheanathair.
My grandfather has an old long-wave radio.
Taistealaíonn fadtonnta i bhfad thar an talamh.
Long waves travel far over the land.
Ní féidir liom an fhadtonn a fháil sa charr.
I can't get long wave in the car.
Éistim leis an nuacht ar fhadtonn san oíche.
I listen to the news on long wave at night.
Dúnadh an tseirbhís fadtoinne anuraidh.
The long-wave service was closed last year.

Other nouns in Irish

More everyday Irish nouns to learn next.

Long wave in Irish: frequently asked questions

What is the Irish for long wave?

The Irish for long wave is fadtonn (pronounced “FAD-toun”). It’s a feminine noun and the plural is fadtonnta.

How do you pronounce fadtonn in Irish?

Fadtonn is said like “FAD-toun” (IPA /ˈfˠadˠt̪ˠən̪ˠ/).

What is the plural of long wave in Irish?

The plural of fadtonn is fadtonnta; with the article, na fadtonnta means “the long waves”. The genitive plural is fadtonnta, as in craoladh ar fhadtonnta (broadcasting on long waves).

Why does fadtonn change to fhadtonn or bhfadtonn?

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

How do you say medium wave and short wave?

Medium wave is 'meántonn' and short wave is 'gearrthonn', both built on 'tonn' like 'fadtonn'.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen