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Chemist in Irish (Ceimiceoir): Meaning, Pronunciation, Usage

The Irish for chemist is ceimiceoir, a masculine noun (plural ceimiceoirí).
Updated October 2026Report a mistake

How to say “chemist” in Irish

Irish:
ceimiceoir
English:
chemist
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“KEM-ik-yohr”  /ˈcɛmʲɪcoːɾʲ/
Various forms
Plural:
ceimiceoirí (chemists)
Genitive singular:
ceimiceora, an cheimiceora (e.g. saotharlann an cheimiceora, the chemist's laboratory)
Genitive plural:
ceimiceoirí, na gceimiceoirí (e.g. cumann na gceimiceoirí, the association of the chemists)

What does “ceimiceoir” mean?

chemist
A scientist who studies or works in chemistry.Also: chemistry scientist, research chemist.

Other Irish words for chemist: cógaiseoir (pharmacist), poitigéir (pharmacist)

“Ceimiceoir” with the article

The plural of chemist in Irish is ceimiceoirí. Here is ceimiceoir after the article (an t-alt), in the singular and the plural.

an ceimiceoir
the chemist
No change after an
na ceimiceoirí
the chemists
Plural: no change after na

“Ceimiceoir” in a sentence: Irish examples

Common Irish sentences using ceimiceoir, the Irish word for chemist.

Is ceimiceoir í mo dheirfiúr.
My sister is a chemist.
D'oibrigh an ceimiceoir sa tsaotharlann ar feadh na hoíche.
The chemist worked in the laboratory all night.
Ba mhaith liom a bheith i mo cheimiceoir.
I would like to be a chemist.
Tá post an cheimiceora an-suimiúil.
The chemist's job is very interesting.
Tá ceimiceoirí ag obair ar leigheas nua.
Chemists are working on a new medicine.
Bhuail mé le ceimiceoir cáiliúil sa choláiste.
I met a famous chemist at the college.
Scríobh na ceimiceoirí tuarascáil faoin truailliú.
The chemists wrote a report on the pollution.

Other nouns in Irish

More everyday Irish nouns to learn next.

Chemist in Irish: frequently asked questions

What is the Irish for chemist?

The Irish for chemist is ceimiceoir (pronounced “KEM-ik-yohr”). It’s a masculine noun and the plural is ceimiceoirí.

How do you pronounce ceimiceoir in Irish?

Ceimiceoir is said like “KEM-ik-yohr” (IPA /ˈcɛmʲɪcoːɾʲ/).

What is the plural of chemist in Irish?

The plural of ceimiceoir is ceimiceoirí; with the article, na ceimiceoirí means “the chemists”. The genitive plural is ceimiceoirí, as in cumann na gceimiceoirí (the association of the chemists).

Why does ceimiceoir change to cheimiceoir or gceimiceoir?

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

Is 'ceimiceoir' the person who sells medicine in a pharmacy?

No. A 'ceimiceoir' is a scientist in chemistry; the pharmacist or shop chemist is 'poitigéir', and the shop is 'siopa poitigéara'.

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