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Sound barrier in Irish (Fuaimbhac): Meaning, Pronunciation, Usage

The Irish for sound barrier is fuaimbhac, a masculine noun.
Updated October 2026Report a mistake

How to say “sound barrier” in Irish

Irish:
fuaimbhac
English:
sound barrier
Word type:
noun
Gender:
masculine
Pronunciation:
“FOO-um-vwak”  /ˈfuəmʲˌwak/
Various forms
Genitive singular:
fuaimbhaic, an fhuaimbhaic (e.g. briseadh an fhuaimbhaic, the breaking of the sound barrier)

What does “fuaimbhac” mean?

sound barrier
The sudden large increase in air resistance an aircraft meets when it approaches the speed of sound.Also: sonic barrier, speed of sound.

“Fuaimbhac” with the article

Here is fuaimbhac after the article (an t-alt).

an fuaimbhac
the sound barrier
No change after an

“Fuaimbhac” in a sentence: Irish examples

Common Irish sentences using fuaimbhac, the Irish word for sound barrier.

Bhris an t-eitleán an fuaimbhac inné.
The plane broke the sound barrier yesterday.
Is deacair dul tríd an bhfuaimbhac.
It is hard to go through the sound barrier.
Chualamar pléasc nuair a briseadh an fuaimbhac.
We heard a boom when the sound barrier was broken.
Bhí an píolóta ag druidim leis an bhfuaimbhac.
The pilot was approaching the sound barrier.
Ba é an chéad duine a bhris fuaimbhac.
He was the first person to break a sound barrier.
Rinneamar staidéar ar an bhfuaimbhac sa rang fisice.
We studied the sound barrier in physics class.
Tharla briseadh an fhuaimbhaic os cionn na farraige.
The breaking of the sound barrier happened over the sea.

Other nouns in Irish

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Sound barrier in Irish: frequently asked questions

What is the Irish for sound barrier?

The Irish for sound barrier is fuaimbhac (pronounced “FOO-um-vwak”). It’s a masculine noun.

How do you pronounce fuaimbhac in Irish?

Fuaimbhac is said like “FOO-um-vwak” (IPA /ˈfuəmʲˌwak/).

Does fuaimbhac have a plural?

No plural form is given for fuaimbhac in the standard. Many abstract and mass nouns in Irish have no plural.

Why does fuaimbhac change to fhuaimbhac or bhfuaimbhac?

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

How is 'fuaimbhac' formed?

It is a compound of 'fuaim' (sound) and 'bac' (barrier, obstruction), so it means literally 'sound barrier'.

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