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Biofuel in Irish (Bithbhreosla): Meaning, Pronunciation, Usage

The Irish for biofuel is bithbhreosla, a masculine noun (plural bithbhreoslaí).
Updated October 2026Report a mistake

How to say “biofuel” in Irish

Irish:
bithbhreosla
English:
biofuel
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“BIH-vrohs-luh”  /ˈbʲɪhˌvʲɾʲoːsˠlˠə/
Various forms
Plural:
bithbhreoslaí (biofuels)
Genitive singular:
bithbhreosla, an bhithbhreosla (e.g. táirgeadh bithbhreosla, production of biofuel)
Genitive plural:
bithbhreoslaí, na mbithbhreoslaí (e.g. úsáid na mbithbhreoslaí, the use of the biofuels)

What does “bithbhreosla” mean?

biofuel
A fuel made from plant or animal material, such as ethanol or biodiesel, rather than from fossil sources.Also: bio-fuel, renewable fuel, plant fuel.

“Bithbhreosla” with the article

The plural of biofuel in Irish is bithbhreoslaí. Here is bithbhreosla after the article (an t-alt), in the singular and the plural.

an bithbhreosla
the biofuel
No change after an
na bithbhreoslaí
the biofuels
Plural: no change after na

“Bithbhreosla” in a sentence: Irish examples

Common Irish sentences using bithbhreosla, the Irish word for biofuel.

Is breosla in-athnuaite é bithbhreosla.
Biofuel is a renewable fuel.
Tá an bithbhreosla níos glaine ná peitreal.
The biofuel is cleaner than petrol.
Tá praghas an bhithbhreosla ag ardú.
The price of biofuel is rising.
Déantar bithbhreoslaí as arbhar agus as cána siúcra.
Biofuels are made from maize and sugar cane.
Ritheann an bus seo ar bhithbhreosla.
This bus runs on biofuel.
Tá suim mhór ag an rialtas i mbithbhreoslaí.
The government is very interested in biofuels.
Tá monarcha bithbhreosla nua sa cheantar.
There is a new biofuel factory in the area.

Other nouns in Irish

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Biofuel in Irish: frequently asked questions

What is the Irish for biofuel?

The Irish for biofuel is bithbhreosla (pronounced “BIH-vrohs-luh”). It’s a masculine noun and the plural is bithbhreoslaí.

How do you pronounce bithbhreosla in Irish?

Bithbhreosla is said like “BIH-vrohs-luh” (IPA /ˈbʲɪhˌvʲɾʲoːsˠlˠə/).

What is the plural of biofuel in Irish?

The plural of bithbhreosla is bithbhreoslaí; with the article, na bithbhreoslaí means “the biofuels”. The genitive plural is bithbhreoslaí, as in úsáid na mbithbhreoslaí (the use of the biofuels).

Why does bithbhreosla change to bhithbhreosla or mbithbhreosla?

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

How is 'bithbhreosla' formed?

It combines the prefix 'bith-' (life, bio-) with 'breosla' (fuel), and the prefix lenites it to 'bithbhreosla'.

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