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Alkane in Irish (Alcán): Meaning, Pronunciation, Usage

The Irish for alkane is alcán, a masculine noun (plural alcáin).
Updated October 2026Report a mistake

How to say “alkane” in Irish

Irish:
alcán
English:
alkane
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“AL-kawn”  /ˈalˠkaːnˠ/
Various forms
Plural:
alcáin (alkanes)
Genitive singular:
alcáin, an alcáin (e.g. foirmle an alcáin, the formula of the alkane)
Genitive plural:
alcán, na n-alcán (e.g. sraith na n-alcán, the alkane series)

What does “alcán” mean?

alkane
A saturated hydrocarbon in chemistry, such as methane or propane, whose carbon atoms are joined by single bonds.Also: paraffin hydrocarbon, saturated hydrocarbon.

“Alcán” with the article

The plural of alkane in Irish is alcáin. Here is alcán after the article (an t-alt), in the singular and the plural.

an t-alcán
the alkane
Masculine nouns take t before a vowel after an
na halcáin
the alkanes
Plural: na adds h before a vowel

“Alcán” in a sentence: Irish examples

Common Irish sentences using alcán, the Irish word for alkane.

Is alcán é an meatán.
Methane is an alkane.
Tá an t-alcán seo déanta as carbón agus hidrigin.
This alkane is made of carbon and hydrogen.
Scríobh síos foirmle an alcáin ar an gclár.
Write the formula of the alkane on the board.
Dónn na halcáin go héasca in ocsaigin.
Alkanes burn easily in oxygen.
D'fhoghlaimíomar faoi na halcáin sa rang ceimice inniu.
We learned about alkanes in chemistry class today.
Tá ceithre adamh carbóin san alcán sin.
There are four carbon atoms in that alkane.
Is é an própán an tríú halcán sa tsraith.
Propane is the third alkane in the series.

Other nouns in Irish

More everyday Irish nouns to learn next.

Alkane in Irish: frequently asked questions

What is the Irish for alkane?

The Irish for alkane is alcán (pronounced “AL-kawn”). It’s a masculine noun and the plural is alcáin.

How do you pronounce alcán in Irish?

Alcán is said like “AL-kawn” (IPA /ˈalˠkaːnˠ/).

What is the plural of alkane in Irish?

The plural of alcán is alcáin; with the article, na halcáin means “the alkanes”. The genitive plural is alcán, as in sraith na n-alcán (the alkane series).

Why does alcán sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-alcán (the alkane), a halcán (her alkane), a n-alcán (their alkane), na halcáin (the alkanes).

What is the difference between alcán and alcéin?

An alcán (alkane) has only single bonds between carbon atoms, while an alcéin (alkene) has at least one double bond.

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