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Cobalt in Irish (Cóbalt): Meaning, Pronunciation, Usage

‘cóbalt’ also means: cobalt blue

The Irish for cobalt is cóbalt, a masculine noun.
Updated October 2026Report a mistake

How to say “cobalt” in Irish

Irish:
cóbalt
English:
cobalt, cobalt blue
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KOH-balt”  /ˈkoːbˠəlˠtˠ/
Various forms
Genitive singular:
cóbailt, an chóbailt (e.g. dath an chóbailt, the colour of cobalt)

What does “cóbalt” mean?

“Cóbalt” has two alternative meanings. The most common comes first.

cobalt
A hard, silvery-grey metallic chemical element, used in alloys and to make a deep blue colour.Also: cobalt metal, Co.
1 other meaning: cobalt blue
2cobalt blue
A deep blue pigment or colour made from cobalt compounds.Also: cobalt, blue pigment.

“Cóbalt” with the article

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

an cóbalt
the cobalt
No change after an

“Cóbalt” in a sentence: Irish examples

Common Irish sentences using cóbalt, the Irish word for cobalt.

Is miotal crua é cóbalt.
Cobalt is a hard metal.
Úsáidtear an cóbalt i gcadhnraí.
Cobalt is used in batteries.
Tá cóbalt sa chóimhiotal seo.
There is cobalt in this alloy.
Is é Co siombail an chóbailt.
Co is the symbol for cobalt.
Thug an cóbalt dath gorm don ghloine.
The cobalt gave the glass a blue colour.
Tá praghas an chóbailt ag ardú.
The price of cobalt is rising.
Bhí méid beag cóbailt sa mhianach.
There was a small amount of cobalt in the ore.

Other nouns in Irish

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Cobalt in Irish: frequently asked questions

What is the Irish for cobalt?

The Irish for cobalt is cóbalt (pronounced “KOH-balt”). It’s a masculine noun. Depending on context it can also mean cobalt blue.

How do you pronounce cóbalt in Irish?

Cóbalt is said like “KOH-balt” (IPA /ˈkoːbˠəlˠtˠ/).

Does cóbalt have a plural?

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

Does cóbalt have more than one meaning?

Yes. Cóbalt can mean cobalt or cobalt blue, depending on context; the first is the most common.

Why does cóbalt change to chóbalt or gcóbalt?

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

Is 'cóbalt' the same word used in chemistry textbooks?

Yes, cóbalt is the standard term for the element Co, as in 'an dúil cóbalt'.

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