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Biosphere in Irish (Bithsféar): Meaning, Pronunciation, Usage

The Irish for biosphere is bithsféar, a masculine noun.
Updated October 2026Report a mistake

How to say “biosphere” in Irish

Irish:
bithsféar
English:
biosphere
Word type:
noun
Gender:
masculine
Pronunciation:
“BIH-sfayr”  /ˈbʲɪhsˌfʲeːɾˠ/
Various forms
Genitive singular:
bithsféir, an bhithsféir (e.g. cosaint an bhithsféir, protection of the biosphere)

What does “bithsféar” mean?

biosphere
The parts of the earth, sea and air where living things exist.Also: ecosphere, living world.

“Bithsféar” with the article

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

an bithsféar
the biosphere
No change after an

“Bithsféar” in a sentence: Irish examples

Common Irish sentences using bithsféar, the Irish word for biosphere.

Is cuid den bhithsféar sinn go léir.
We are all part of the biosphere.
Tá an bithsféar faoi bhagairt ag an truailliú.
The biosphere is threatened by pollution.
Rinneamar staidéar ar an mbithsféar ar scoil inniu.
We studied the biosphere at school today.
Tá sláinte an bhithsféir ag brath orainn.
The health of the biosphere depends on us.
Cuimsíonn bithsféar an domhain an fharraige agus an t-aer.
The earth's biosphere includes the sea and the air.
Bíonn an t-athrú aeráide ag dul i bhfeidhm ar an mbithsféar.
Climate change is affecting the biosphere.
Maireann gach planda agus ainmhí sa bhithsféar.
Every plant and animal lives in the biosphere.

Other nouns in Irish

More everyday Irish nouns to learn next.

Biosphere in Irish: frequently asked questions

What is the Irish for biosphere?

The Irish for biosphere is bithsféar (pronounced “BIH-sfayr”). It’s a masculine noun.

How do you pronounce bithsféar in Irish?

Bithsféar is said like “BIH-sfayr” (IPA /ˈbʲɪhsˌfʲeːɾˠ/).

Does bithsféar have a plural?

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

Why does bithsféar change to bhithsféar or mbithsféar?

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

How is 'bithsféar' formed?

It combines the prefix 'bith-' (life, as in 'bitheolaíocht', biology) with 'sféar' (sphere).

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