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Isoline in Irish (Ísilíne): Meaning, Pronunciation, Usage

The Irish for isoline is ísilíne, a feminine noun (plural ísilínte).
Updated October 2026Report a mistake

How to say “isoline” in Irish

Irish:
ísilíne
English:
isoline
Word type:
noun
Gender:
feminine
Pronunciation:
“EESH-il-ee-nyuh”  /iːʃəlʲiːnʲə/
Various forms
Plural:
ísilínte (isolines)
Genitive singular:
ísilíne, na hísilíne (e.g. luach na hísilíne, the value of the isoline)
Genitive plural:
ísilínte, na n-ísilínte (e.g. léarscáil na n-ísilínte, the isoline map)

What does “ísilíne” mean?

isoline
A line on a map or chart joining points that have the same value, such as height, temperature or pressure.Also: isopleth, contour line, line of equal value.

“Ísilíne” with the article

The plural of isoline in Irish is ísilínte. Here is ísilíne after the article (an t-alt), in the singular and the plural.

an ísilíne
the isoline
No change: feminine nouns starting with a vowel keep their form after an
na hísilínte
the isolines
Plural: na adds h before a vowel

“Ísilíne” in a sentence: Irish examples

Common Irish sentences using ísilíne, the Irish word for isoline.

Taispeánann ísilíne pointí a bhfuil an luach céanna acu.
An isoline shows points that have the same value.
Tarraing an ísilíne ar an léarscáil.
Draw the isoline on the map.
Tá na hísilínte an-ghar dá chéile anseo.
The isolines are very close together here.
Cad é luach na hísilíne seo?
What is the value of this isoline?
Úsáidtear ísilínte i léarscáileanna aimsire.
Isolines are used in weather maps.
Lean mé an ísilíne le mo mhéar.
I followed the isoline with my finger.
Tá cúig ísilíne sa léaráid.
There are five isolines in the diagram.

Other nouns in Irish

More everyday Irish nouns to learn next.

Isoline in Irish: frequently asked questions

What is the Irish for isoline?

The Irish for isoline is ísilíne (pronounced “EESH-il-ee-nyuh”). It’s a feminine noun and the plural is ísilínte.

How do you pronounce ísilíne in Irish?

Ísilíne is said like “EESH-il-ee-nyuh” (IPA /iːʃəlʲiːnʲə/).

What is the plural of isoline in Irish?

The plural of ísilíne is ísilínte; with the article, na hísilínte means “the isolines”. The genitive plural is ísilínte, as in léarscáil na n-ísilínte (the isoline map).

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

Irish nouns beginning with a vowel take a prefix after certain words: an ísilíne (the isoline), a hísilíne (her isoline), a n-ísilíne (their isoline), na hísilínte (the isolines).

Is ísilíne the same as comhrian?

Not quite: ísilíne is any line of equal value, while comhrian (or líne chomhrian) is specifically a contour line of equal height. Isiteirm and isibar are particular kinds of ísilíne.

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