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Pentane in Irish (Peantán): Meaning, Pronunciation, Usage

The Irish for pentane is peantán, a masculine noun (plural peantáin).
Updated October 2026Report a mistake

How to say “pentane” in Irish

Irish:
peantán
English:
pentane
Word type:
noun
Gender:
masculine
Pronunciation:
“PAN-tawn”  /ˈpʲan̪ˠt̪ˠaːn̪ˠ/
Various forms
Plural:
peantáin (pentanes)
Genitive singular:
peantáin, an pheantáin (e.g. fiuchphointe an pheantáin, the boiling point of pentane)
Genitive plural:
peantán, na bpeantán (e.g. airíonna na bpeantán, the properties of the pentanes)

What does “peantán” mean?

pentane
A colourless, flammable liquid hydrocarbon with five carbon atoms, found in petroleum.Also: hydrocarbon, alkane.

“Peantán” with the article

The plural of pentane in Irish is peantáin. Here is peantán after the article (an t-alt), in the singular and the plural.

an peantán
the pentane
No change after an
na peantáin
the pentanes
Plural: no change after na

“Peantán” in a sentence: Irish examples

Common Irish sentences using peantán, the Irish word for pentane.

Is hidreacarbón é peantán.
Pentane is a hydrocarbon.
Tá cúig adamh carbóin sa pheantán.
There are five carbon atoms in pentane.
Is leacht so-adhainte é an peantán.
Pentane is a flammable liquid.
Fuaireamar peantán san ola bhreosla.
We found pentane in the fuel oil.
Tá fiuchphointe an pheantáin íseal go leor.
The boiling point of pentane is fairly low.
Tá trí pheantán éagsúla ann mar iseamair.
There are three different pentanes as isomers.
Choinnigh an múinteoir an peantán i gcófra sábháilte.
The teacher kept the pentane in a safe cupboard.

Other nouns in Irish

More everyday Irish nouns to learn next.

Pentane in Irish: frequently asked questions

What is the Irish for pentane?

The Irish for pentane is peantán (pronounced “PAN-tawn”). It’s a masculine noun and the plural is peantáin.

How do you pronounce peantán in Irish?

Peantán is said like “PAN-tawn” (IPA /ˈpʲan̪ˠt̪ˠaːn̪ˠ/).

What is the plural of pentane in Irish?

The plural of peantán is peantáin; with the article, na peantáin means “the pentanes”. The genitive plural is peantán, as in airíonna na bpeantán (the properties of the pentanes).

Why does peantán change to pheantán or bpeantán?

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

How are other alkane names formed in Irish?

They follow the same pattern with the ending -án, for example meatán (methane), eatán (ethane), própán (propane) and bútán (butane).

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