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Tangent in Irish (Tangant): Meaning, Pronunciation, Usage

The Irish for tangent is tangant, a masculine noun (plural tangaint).
Updated October 2026Report a mistake

How to say “tangent” in Irish

Irish:
tangant
English:
tangent
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“TANG-gunt”  /ˈt̪ˠaŋɡənˠt̪ˠ/
Various forms
Plural:
tangaint (tangents)
Genitive singular:
tangaint, an tangaint (e.g. fad an tangaint, length of the tangent)
Genitive plural:
tangant, na dtangant (e.g. airíonna na dtangant, the properties of the tangents)

What does “tangant” mean?

tangent
In geometry, a straight line that touches a curve at one point without crossing it; also the trigonometric ratio of that name.Also: tangent line, tan.

“Tangant” with the article

The plural of tangent in Irish is tangaint. Here is tangant after the article (an t-alt), in the singular and the plural.

an tangant
the tangent
No change after an
na tangaint
the tangents
Plural: no change after na

“Tangant” in a sentence: Irish examples

Common Irish sentences using tangant, the Irish word for tangent.

Tarraing tangant leis an gciorcal ag an bpointe sin.
Draw a tangent to the circle at that point.
Tá an tangant ingearach leis an ngathán.
The tangent is perpendicular to the radius.
Faigh fána an tangaint ag x cothrom le dó.
Find the slope of the tangent at x equals two.
Tarraingíodh dhá thangant ón bpointe lasmuigh.
Two tangents were drawn from the outside point.
Ríomh tangant na huillinne seo.
Calculate the tangent of this angle.
Bhí ceist faoi thangaint sa scrúdú inniu.
There was a question about tangents in the exam today.
Ní thuigim fós cad is tangant ann.
I still don't understand what a tangent is.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tangent in Irish: frequently asked questions

What is the Irish for tangent?

The Irish for tangent is tangant (pronounced “TANG-gunt”). It’s a masculine noun and the plural is tangaint.

How do you pronounce tangant in Irish?

Tangant is said like “TANG-gunt” (IPA /ˈt̪ˠaŋɡənˠt̪ˠ/).

What is the plural of tangent in Irish?

The plural of tangant is tangaint; with the article, na tangaint means “the tangents”. The genitive plural is tangant, as in airíonna na dtangant (the properties of the tangents).

Why does tangant change to thangant or dtangant?

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

Can 'tangant' mean going off on a tangent in conversation?

No, 'tangant' is a mathematical term only; for straying from the topic you would say something like 'imeacht ón ábhar'.

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