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Cathode in Irish (Catóid): Meaning, Pronunciation, Usage

The Irish for cathode is catóid, a feminine noun (plural catóidí).
Updated October 2026Report a mistake

How to say “cathode” in Irish

Irish:
catóid
English:
cathode
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“KAT-oady”  /ˈkat̪ˠoːdʲ/
Various forms
Plural:
catóidí (cathodes)
Genitive singular:
catóide, na catóide (e.g. teirminéal na catóide, the cathode terminal)
Genitive plural:
catóidí, na gcatóidí (e.g. líon na gcatóidí, the number of cathodes)

What does “catóid” mean?

cathode
The negative electrode of an electrolytic cell or the electrode from which electrons are emitted in a vacuum tube.Also: negative electrode, electrode.

“Catóid” with the article

The plural of cathode in Irish is catóidí. Here is catóid after the article (an t-alt), in the singular and the plural.

an chatóid
the cathode
Lenition: c becomes ch after an (feminine noun)
na catóidí
the cathodes
Plural: no change after na

“Catóid” in a sentence: Irish examples

Common Irish sentences using catóid, the Irish word for cathode.

Is leictreoid dhiúltach í an chatóid.
The cathode is a negative electrode.
Gluaiseann na hiain dhearfacha i dtreo na catóide.
The positive ions move towards the cathode.
Tá anóid agus catóid i ngach cadhnra.
Every battery has an anode and a cathode.
Ceangail an tsreang dhubh leis an gcatóid.
Connect the black wire to the cathode.
Bíonn na catóidí déanta as miotal go minic.
The cathodes are often made of metal.
Cruinníonn copar ar an gcatóid le linn leictrealaíse.
Copper collects on the cathode during electrolysis.
Scaoiltear leictreoin ón gcatóid san fheadán.
Electrons are released from the cathode in the tube.

Other nouns in Irish

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Cathode in Irish: frequently asked questions

What is the Irish for cathode?

The Irish for cathode is catóid (pronounced “KAT-oady”). It’s a feminine noun and the plural is catóidí.

How do you pronounce catóid in Irish?

Catóid is said like “KAT-oady” (IPA /ˈkat̪ˠoːdʲ/).

What is the plural of cathode in Irish?

The plural of catóid is catóidí; with the article, na catóidí means “the cathodes”. The genitive plural is catóidí, as in líon na gcatóidí (the number of cathodes).

Why does catóid change to chatóid or gcatóid?

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

What is the opposite of catóid?

The opposite is anóid, the anode or positive electrode.

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