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Reactance in Irish (Freasaitheacht): Meaning, Pronunciation, Usage

The Irish for reactance is freasaitheacht, a feminine noun.
Updated October 2026Report a mistake

How to say “reactance” in Irish

Irish:
freasaitheacht
English:
reactance
Word type:
noun
Gender:
feminine
Pronunciation:
“FRASS-ee-hukht”  /ˈfʲɾʲasˠiːhəxt̪ˠ/
Various forms
Genitive singular:
freasaitheachta, na freasaitheachta (e.g. luach na freasaitheachta, the value of the reactance)

What does “freasaitheacht” mean?

reactance
In electricity, the opposition that a coil or capacitor offers to an alternating current.Also: electrical reactance, inductive reactance, capacitive reactance.

“Freasaitheacht” with the article

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

an fhreasaitheacht
the reactance
Lenition: f becomes fh after an (feminine noun)

“Freasaitheacht” in a sentence: Irish examples

Common Irish sentences using freasaitheacht, the Irish word for reactance.

Tomhaistear freasaitheacht in óim.
Reactance is measured in ohms.
Méadaíonn an fhreasaitheacht leis an minicíocht.
The reactance increases with the frequency.
Ríomh luach na freasaitheachta sa chiorcad seo.
Calculate the value of the reactance in this circuit.
Tá freasaitheacht ard ag an gcorna seo.
This coil has a high reactance.
Bíonn athrú i bhfreasaitheacht an toilleora.
The capacitor's reactance changes.
Mhínigh an múinteoir an fhreasaitheacht dúinn inniu.
The teacher explained reactance to us today.
Ní hionann freasaitheacht agus friotaíocht.
Reactance is not the same as resistance.

Other nouns in Irish

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Reactance in Irish: frequently asked questions

What is the Irish for reactance?

The Irish for reactance is freasaitheacht (pronounced “FRASS-ee-hukht”). It’s a feminine noun.

How do you pronounce freasaitheacht in Irish?

Freasaitheacht is said like “FRASS-ee-hukht” (IPA /ˈfʲɾʲasˠiːhəxt̪ˠ/).

Does freasaitheacht have a plural?

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

Why does freasaitheacht change to fhreasaitheacht or bhfreasaitheacht?

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

What is the difference between freasaitheacht and friotaíocht?

Friotaíocht is resistance, while freasaitheacht is reactance; together they make up coisceas, impedance.

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