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Science in Irish (Eolaíocht): Meaning, Pronunciation, Usage

‘eolaíocht’ also means: -logy

The Irish for science is eolaíocht, a feminine noun (plural eolaíochtaí).
Updated October 2026Report a mistake

How to say “science” in Irish

Irish:
eolaíocht
English:
science, -logy
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“OH-lee-ukht”  /ˈoːlˠiːəxt̪ˠ/
Various forms
Plural:
eolaíochtaí (sciences)
Genitive singular:
eolaíochta, na heolaíochta (e.g. múinteoir eolaíochta, science teacher)
Genitive plural:
eolaíochtaí, na n-eolaíochtaí (e.g. dámh na n-eolaíochtaí, faculty of sciences)

What does “eolaíocht” mean?

“Eolaíocht” has two alternative meanings. The most common comes first.

science
The systematic study of the natural and physical world through observation and experiment, or a particular branch of such study.Also: branch of science, scientific study.
1 other meaning: -logy
2-logy
Used as the second element of compounds to name a field of study, like English '-logy' (bitheolaíocht 'biology').Also: study of, ology.

Other Irish words for science: eolaíoch (scientific)

“Eolaíocht” with the article

The plural of science in Irish is eolaíochtaí. Here is eolaíocht after the article (an t-alt), in the singular and the plural.

an eolaíocht
the science
No change: feminine nouns starting with a vowel keep their form after an
na heolaíochtaí
the sciences
Plural: na adds h before a vowel

“Eolaíocht” in a sentence: Irish examples

Common Irish sentences using eolaíocht, the Irish word for science.

Is maith liom eolaíocht ar scoil.
I like science at school.
Tá an eolaíocht ag forbairt go tapa.
Science is developing quickly.
Tá rang eolaíochta againn inniu.
We have a science class today.
Rinne sí staidéar ar na heolaíochtaí san ollscoil.
She studied the sciences at university.
Is í an eolaíocht an t-ábhar is fearr liom.
Science is my favourite subject.
Tá suim mhór aige i gcúrsaí eolaíochta.
He has a great interest in science.
D'éirigh go maith liom sa scrúdú eolaíochta.
I did well in the science exam.

Other nouns in Irish

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Science in Irish: frequently asked questions

What is the Irish for science?

The Irish for science is eolaíocht (pronounced “OH-lee-ukht”). It’s a feminine noun and the plural is eolaíochtaí. Depending on context it can also mean -logy.

How do you pronounce eolaíocht in Irish?

Eolaíocht is said like “OH-lee-ukht” (IPA /ˈoːlˠiːəxt̪ˠ/).

What is the plural of science in Irish?

The plural of eolaíocht is eolaíochtaí; with the article, na heolaíochtaí means “the sciences”. The genitive plural is eolaíochtaí, as in dámh na n-eolaíochtaí (faculty of sciences).

Does eolaíocht have more than one meaning?

Yes. Eolaíocht can mean science or -logy, depending on context; the first is the most common.

Why does eolaíocht sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an eolaíocht (the science), a heolaíocht (her science), a n-eolaíocht (their science), na heolaíochtaí (the sciences).

What is the difference between eolaíocht and eolas?

Eolas means knowledge or information in general, while eolaíocht means science as a systematic field of study.

What is a scientist called in Irish?

A scientist is an eolaí, and 'scientific' is eolaíoch.

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