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Peptide in Irish (Peiptíd): Meaning, Pronunciation, Usage

The Irish for peptide is peiptíd, a feminine noun.
Updated October 2026Report a mistake

How to say “peptide” in Irish

Irish:
peiptíd
English:
peptide
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“PEP-teej”  /ˈpʲɛpʲtʲiːdʲ/
Various forms
Genitive singular:
peiptíde, na peiptíde (e.g. struchtúr na peiptíde, the structure of the peptide)

What does “peiptíd” mean?

peptide
A chemical compound made of two or more amino acids joined together in a chain.Also: amino acid chain, polypeptide.

“Peiptíd” with the article

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

an pheiptíd
the peptide
Lenition: p becomes ph after an (feminine noun)

“Peiptíd” in a sentence: Irish examples

Common Irish sentences using peiptíd, the Irish word for peptide.

Is comhdhúil cheimiceach í peiptíd.
A peptide is a chemical compound.
Tá an pheiptíd déanta as aimínaigéid.
The peptide is made of amino acids.
Rinneamar staidéar ar pheiptíd sa tsaotharlann.
We studied a peptide in the laboratory.
Tá struchtúr na peiptíde an-simplí.
The structure of the peptide is very simple.
Is cineál peiptíde í an inslin.
Insulin is a kind of peptide.
Bhí peiptíd nua i dtaighde an ollaimh.
There was a new peptide in the professor's research.
Foghlaimíonn na mic léinn faoi pheiptíd sa bhitheolaíocht.
The students learn about peptides in biology.

Other nouns in Irish

More everyday Irish nouns to learn next.

Peptide in Irish: frequently asked questions

What is the Irish for peptide?

The Irish for peptide is peiptíd (pronounced “PEP-teej”). It’s a feminine noun.

How do you pronounce peiptíd in Irish?

Peiptíd is said like “PEP-teej” (IPA /ˈpʲɛpʲtʲiːdʲ/).

Does peiptíd have a plural?

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

Why does peiptíd change to pheiptíd or bpeiptíd?

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

What is the difference between peiptíd and próitéin?

A peiptíd is a short chain of amino acids, while a próitéin is a much longer chain, often made of many peptides joined together.

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