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Discovery in Irish (Fionnachtain): Meaning, Pronunciation, Usage

‘fionnachtain’ also means: invention

The Irish for discovery is fionnachtain, a feminine noun (plural fionnachtana).
Updated October 2026Report a mistake

How to say “discovery” in Irish

Irish:
fionnachtain
English:
discovery, invention
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“FYUN-ukh-tin”  /ˈfʲʊnˠəxt̪ˠənʲ/
Various forms
Plural:
fionnachtana (discoveries)
Genitive singular:
fionnachtana, na fionnachtana (e.g. tábhacht na fionnachtana, the importance of the discovery)
Genitive plural:
fionnachtana, na bhfionnachtana (e.g. liosta na bhfionnachtana, the list of discoveries)

What does “fionnachtain” mean?

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

discovery
The act of finding something out or finding something new, or the thing that is found.Also: finding, find, invention.
1 other meaning: invention
2invention
Something newly devised or invented.Also: innovation, new idea.

“Fionnachtain” with the article

The plural of discovery in Irish is fionnachtana. Here is fionnachtain after the article (an t-alt), in the singular and the plural.

an fhionnachtain
the discovery
Lenition: f becomes fh after an (feminine noun)
na fionnachtana
the discoveries
Plural: no change after na

“Fionnachtain” in a sentence: Irish examples

Common Irish sentences using fionnachtain, the Irish word for discovery.

Rinne sí fionnachtain thábhachtach sa tsaotharlann.
She made an important discovery in the lab.
Chuir an fhionnachtain iontas ar na heolaithe.
The discovery astonished the scientists.
Scríobh sé alt faoi scéal na fionnachtana.
He wrote an article about the story of the discovery.
Tháinig go leor fionnachtana nua chun cinn le déanaí.
Lots of new discoveries have emerged recently.
Bhí mé an-bhródúil as m'fhionnachtain.
I was very proud of my discovery.
Labhair sí faoin bhfionnachtain ar an raidió.
She talked about the discovery on the radio.
Is fionnachtain mhór í sin don leigheas.
That is a great discovery for medicine.

Other nouns in Irish

More everyday Irish nouns to learn next.

Discovery in Irish: frequently asked questions

What is the Irish for discovery?

The Irish for discovery is fionnachtain (pronounced “FYUN-ukh-tin”). It’s a feminine noun and the plural is fionnachtana. Depending on context it can also mean invention.

How do you pronounce fionnachtain in Irish?

Fionnachtain is said like “FYUN-ukh-tin” (IPA /ˈfʲʊnˠəxt̪ˠənʲ/).

What is the plural of discovery in Irish?

The plural of fionnachtain is fionnachtana; with the article, na fionnachtana means “the discoveries”. The genitive plural is fionnachtana, as in liosta na bhfionnachtana (the list of discoveries).

Does fionnachtain have more than one meaning?

Yes. Fionnachtain can mean discovery or invention, depending on context; the first is the most common.

Why does fionnachtain change to fhionnachtain or bhfionnachtain?

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

What is the difference between fionnachtain and aireagán?

Fionnachtain is mainly a discovery, finding something that exists, while aireagán is an invention, something devised: aireagán nua, a new invention.

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