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Pepsin in Irish (Peipsin): Meaning, Pronunciation, Usage

The Irish for pepsin is peipsin, a feminine noun.
Updated October 2026Report a mistake

How to say “pepsin” in Irish

Irish:
peipsin
English:
pepsin
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“PEP-shin”  /ˈpʲɛpʲʃɪnʲ/
Various forms
Genitive singular:
peipsine, na peipsine (e.g. gníomhaíocht na peipsine, the activity of pepsin)

What does “peipsin” mean?

pepsin
Pepsin is a digestive enzyme in the stomach that breaks down proteins.Also: digestive enzyme, stomach enzyme.

“Peipsin” with the article

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

an pheipsin
the pepsin
Lenition: p becomes ph after an (feminine noun)

“Peipsin” in a sentence: Irish examples

Common Irish sentences using peipsin, the Irish word for pepsin.

Is einsím í peipsin.
Pepsin is an enzyme.
Déantar peipsin sa ghoile.
Pepsin is produced in the stomach.
Briseann an pheipsin próitéiní síos.
Pepsin breaks proteins down.
Oibríonn an pheipsin in aigéad an ghoile.
Pepsin works in the stomach acid.
Bhí ceacht againn faoi pheipsin inniu.
We had a lesson about pepsin today.
Tá ról tábhachtach ag peipsin sa díleá.
Pepsin has an important role in digestion.
Rinneamar staidéar ar fheidhm na peipsine.
We studied the function of pepsin.

Other nouns in Irish

More everyday Irish nouns to learn next.

Pepsin in Irish: frequently asked questions

What is the Irish for pepsin?

The Irish for pepsin is peipsin (pronounced “PEP-shin”). It’s a feminine noun.

How do you pronounce peipsin in Irish?

Peipsin is said like “PEP-shin” (IPA /ˈpʲɛpʲʃɪnʲ/).

Does peipsin have a plural?

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

Why does peipsin change to pheipsin or bpeipsin?

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

Does the article lenite 'peipsin'?

Yes, as a feminine noun it is lenited after the article in the nominative: an pheipsin, but the genitive is na peipsine.

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