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Alpha helix in Irish (Alfa-héilics): Meaning, Pronunciation, Usage

The Irish for alpha helix is alfa-héilics, a masculine noun.
Updated October 2026Report a mistake

How to say “alpha helix” in Irish

Irish:
alfa-héilics
English:
alpha helix
Word type:
noun
Gender:
masculine
Pronunciation:
“AL-fuh-HAY-liks”  /ˈalˠəfˠə ˈheːlʲɪcsˠ/
Various forms
Genitive singular:
alfa-héilics, an alfa-héilics (e.g. struchtúr an alfa-héilics, the structure of the alpha helix)

What does “alfa-héilics” mean?

alpha helix
A common spiral structure formed by the chain of amino acids in a protein.Also: alpha-helix, protein helix, secondary structure.

“Alfa-héilics” with the article

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

an t-alfa-héilics
the alpha helix
Masculine nouns take t before a vowel after an

“Alfa-héilics” in a sentence: Irish examples

Common Irish sentences using alfa-héilics, the Irish word for alpha helix.

Is struchtúr tánaisteach próitéine é an t-alfa-héilics.
The alpha helix is a secondary protein structure.
Tá alfa-héilics le feiceáil sa phróitéin seo.
An alpha helix can be seen in this protein.
Coinníonn naisc hidrigine an t-alfa-héilics le chéile.
Hydrogen bonds hold the alpha helix together.
Rinne sí staidéar ar chruth an alfa-héilics.
She studied the shape of the alpha helix.
Tá an t-aimínaigéad seo i lár an alfa-héilics.
This amino acid is in the middle of the alpha helix.
Mhínigh an léachtóir an t-alfa-héilics go soiléir.
The lecturer explained the alpha helix clearly.
Fuair Pauling amach faoin alfa-héilics sa bhliain 1951.
Pauling discovered the alpha helix in 1951.

Other nouns in Irish

More everyday Irish nouns to learn next.

Alpha helix in Irish: frequently asked questions

What is the Irish for alpha helix?

The Irish for alpha helix is alfa-héilics (pronounced “AL-fuh-HAY-liks”). It’s a masculine noun.

How do you pronounce alfa-héilics in Irish?

Alfa-héilics is said like “AL-fuh-HAY-liks” (IPA /ˈalˠəfˠə ˈheːlʲɪcsˠ/).

Does alfa-héilics have a plural?

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

Why does alfa-héilics sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-alfa-héilics (the alpha helix), a halfa-héilics (her alpha helix), a n-alfa-héilics (their alpha helix).

How does alfa-héilics differ from héilics?

Héilics is any helix or spiral, while alfa-héilics is the specific spiral found in proteins; the DNA spiral is a héilics dúbailte.

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