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Segment in Irish (Teascán): Meaning, Pronunciation, Usage

‘teascán’ also means: sector

The Irish for segment is teascán, a masculine noun (plural teascáin).
Updated October 2026Report a mistake

How to say “segment” in Irish

Irish:
teascán
English:
segment, sector
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“TYAS-kawn”  /tʲasˠkaːnˠ/
Various forms
Plural:
teascáin (segments)
Genitive singular:
teascáin, an teascáin (e.g. fad an teascáin, length of the segment)
Genitive plural:
teascán, na dteascán (e.g. líon na dteascán, the number of segments)

What does “teascán” mean?

“Teascán” has two alternative meanings. The most common comes first.

segment
A part or section cut off or marked off from a whole, such as a segment of a circle or a section of something.Also: section, portion, part.
1 other meaning: sector
2sector
A division of an economy, society or area, such as the public or private sector.Also: area, branch.

“Teascán” with the article

The plural of segment in Irish is teascáin. Here is teascán after the article (an t-alt), in the singular and the plural.

an teascán
the segment
No change after an
na teascáin
the segments
Plural: no change after na

“Teascán” in a sentence: Irish examples

Common Irish sentences using teascán, the Irish word for segment.

Gearr an t-oráiste ina theascáin.
Cut the orange into segments.
Oibríonn sí sa teascán poiblí.
She works in the public sector.
Tarraing teascán den chiorcal ar an bpáipéar.
Draw a segment of the circle on the paper.
Tá fás mór sa teascán príobháideach i mbliana.
There is great growth in the private sector this year.
Ríomh achar an teascáin seo.
Calculate the area of this segment.
Roinneadh an clár ina thrí theascán.
The programme was divided into three segments.
Bíonn go leor teascán sa gheilleagar.
There are many sectors in the economy.

Other nouns in Irish

More everyday Irish nouns to learn next.

Segment in Irish: frequently asked questions

What is the Irish for segment?

The Irish for segment is teascán (pronounced “TYAS-kawn”). It’s a masculine noun and the plural is teascáin. Depending on context it can also mean sector.

How do you pronounce teascán in Irish?

Teascán is said like “TYAS-kawn” (IPA /tʲasˠkaːnˠ/).

What is the plural of segment in Irish?

The plural of teascán is teascáin; with the article, na teascáin means “the segments”. The genitive plural is teascán, as in líon na dteascán (the number of segments).

Does teascán have more than one meaning?

Yes. Teascán can mean segment or sector, depending on context; the first is the most common.

Why does teascán change to theascán or dteascán?

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

What is the difference between 'teascán' and 'earnáil'?

Both can mean sector, but 'earnáil' is the more usual term for an economic sector (an earnáil phoiblí), while 'teascán' is especially used for a geometric segment or a cut section.

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