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Secant in Irish (Seiceant): Meaning, Pronunciation, Usage

The Irish for secant is seiceant, a masculine noun (plural seicint).
Updated October 2026Report a mistake

How to say “secant” in Irish

Irish:
seiceant
English:
secant
Word type:
noun
Gender:
masculine
Pronunciation:
“SHEK-ant”  /ˈʃɛcənˠt̪ˠ/
Various forms
Plural:
seicint (secants)
Genitive singular:
seicint, an tseicint (e.g. luach an tseicint, the value of the secant)
Genitive plural:
seiceant, na seiceant (e.g. airíonna na seiceant, the properties of secants)

What does “seiceant” mean?

secant
In geometry and trigonometry, a line that cuts a curve at two or more points, or the trigonometric function that is the reciprocal of the cosine.Also: secant line, sec.

“Seiceant” with the article

The plural of secant in Irish is seicint. Here is seiceant after the article (an t-alt), in the singular and the plural.

an seiceant
the secant
No change after an
na seicint
the secants
Plural: no change after na

“Seiceant” in a sentence: Irish examples

Common Irish sentences using seiceant, the Irish word for secant.

Is seiceant í an líne seo.
This line is a secant.
Gearrann an seiceant an ciorcal in dhá phointe.
The secant cuts the circle at two points.
Ríomh luach an tseicint don uillinn sin.
Calculate the value of the secant for that angle.
Tarraing dhá sheiceant tríd an gciorcal.
Draw two secants through the circle.
Is ionann seiceant agus aon roinnte ar chomhshíneas.
The secant equals one divided by the cosine.
Tá na seicint sin comhthreomhar le chéile.
Those secants are parallel to each other.
D'fhoghlaimíomar faoin seiceant sa rang matamaitice inniu.
We learned about the secant in maths class today.

Other nouns in Irish

More everyday Irish nouns to learn next.

Secant in Irish: frequently asked questions

What is the Irish for secant?

The Irish for secant is seiceant (pronounced “SHEK-ant”). It’s a masculine noun and the plural is seicint.

How do you pronounce seiceant in Irish?

Seiceant is said like “SHEK-ant” (IPA /ˈʃɛcənˠt̪ˠ/).

What is the plural of secant in Irish?

The plural of seiceant is seicint; with the article, na seicint means “the secants”. The genitive plural is seiceant, as in airíonna na seiceant (the properties of secants).

Why does seiceant change to sheiceant?

After words like mo (my) and do (your) the first letter is lenited: mo sheiceant. After ár (our) it stays ár seiceant, because s does not take eclipsis.

What is the difference between a seiceant and a tadhlaí?

A seiceant cuts a circle at two points, while a tadhlaí (tangent) touches it at only one point.

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