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Cation in Irish (Caitian): Meaning, Pronunciation, Usage

The Irish for cation is caitian, a masculine noun (plural caitiain).
Updated October 2026Report a mistake

How to say “cation” in Irish

Irish:
caitian
English:
cation
Word type:
noun
Gender:
masculine
Pronunciation:
“KAT-ee-un”  /ˈkatʲiən̪ˠ/
Various forms
Plural:
caitiain (cations)
Genitive singular:
caitiain, an chaitiain (e.g. lucht an chaitiain, the charge of the cation)
Genitive plural:
caitian, na gcaitian (e.g. gluaiseacht na gcaitian, the movement of the cations)

What does “caitian” mean?

cation
A positively charged ion, attracted to the cathode in electrolysis.Also: positive ion, positively charged ion.

“Caitian” with the article

The plural of cation in Irish is caitiain. Here is caitian after the article (an t-alt), in the singular and the plural.

an caitian
the cation
No change after an
na caitiain
the cations
Plural: no change after na

“Caitian” in a sentence: Irish examples

Common Irish sentences using caitian, the Irish word for cation.

Is ian dearfach é caitian.
A cation is a positive ion.
Gluaiseann an caitian i dtreo na catóide.
The cation moves towards the cathode.
Tá lucht dearfach ar an gcaitian seo.
This cation has a positive charge.
Déantar caitiain nuair a chailleann adaimh leictreoin.
Cations form when atoms lose electrons.
Is caitiain iad iain sóidiam agus potaisiam.
Sodium and potassium ions are cations.
Scríobh siombail an chaitiain ar an gclár.
Write the cation's symbol on the board.
Tá go leor caitian sa tuaslagán sin.
There are lots of cations in that solution.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cation in Irish: frequently asked questions

What is the Irish for cation?

The Irish for cation is caitian (pronounced “KAT-ee-un”). It’s a masculine noun and the plural is caitiain.

How do you pronounce caitian in Irish?

Caitian is said like “KAT-ee-un” (IPA /ˈkatʲiən̪ˠ/).

What is the plural of cation in Irish?

The plural of caitian is caitiain; with the article, na caitiain means “the cations”. The genitive plural is caitian, as in gluaiseacht na gcaitian (the movement of the cations).

Why does caitian change to chaitian or gcaitian?

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

What is the opposite of 'caitian'?

The opposite is 'ainian' (anion), a negatively charged ion; both are types of 'ian'.

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