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Impedance in Irish (Coisceas): Meaning, Pronunciation, Usage

The Irish for impedance is coisceas, a masculine noun.
Updated October 2026Report a mistake

How to say “impedance” in Irish

Irish:
coisceas
English:
impedance
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KUSH-kyas”  /ˈkɪʃcəsˠ/
Various forms
Genitive singular:
coiscis, an choiscis (e.g. luach an choiscis, the impedance value)

What does “coisceas” mean?

impedance
In electricity, the total opposition a circuit offers to the flow of an alternating current.Also: electrical impedance, ac resistance.

“Coisceas” with the article

Here is coisceas after the article (an t-alt).

an coisceas
the impedance
No change after an

“Coisceas” in a sentence: Irish examples

Common Irish sentences using coisceas, the Irish word for impedance.

Tomhaistear coisceas in óim.
Impedance is measured in ohms.
Tá an coisceas ró-ard sa chiorcad seo.
The impedance is too high in this circuit.
Ríomh luach an choiscis, le do thoil.
Calculate the value of the impedance, please.
Athraíonn an coisceas de réir na minicíochta.
The impedance changes with the frequency.
Ní hionann coisceas agus friotaíocht.
Impedance is not the same as resistance.
Tá coisceas íseal ag na cluasáin seo.
These headphones have a low impedance.
Mhínigh an múinteoir coisceas sa rang fisice.
The teacher explained impedance in physics class.

Other nouns in Irish

More everyday Irish nouns to learn next.

Impedance in Irish: frequently asked questions

What is the Irish for impedance?

The Irish for impedance is coisceas (pronounced “KUSH-kyas”). It’s a masculine noun.

How do you pronounce coisceas in Irish?

Coisceas is said like “KUSH-kyas” (IPA /ˈkɪʃcəsˠ/).

Does coisceas have a plural?

No plural form is given for coisceas in the standard. Many abstract and mass nouns in Irish have no plural.

Why does coisceas change to choisceas or gcoisceas?

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

Is 'coisceas' the same as 'friotaíocht'?

No. 'Friotaíocht' is resistance, while 'coisceas' is impedance, which also includes the effect of reactance in alternating current circuits.

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