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Formaldehyde in Irish (Formaildéad): Meaning, Pronunciation, Usage

The Irish for formaldehyde is formaildéad, a masculine noun.
Updated October 2026Report a mistake

How to say “formaldehyde” in Irish

Irish:
formaildéad
English:
formaldehyde
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“FOR-um-al-jayd”  /ˈfˠɔɾˠəmˠalʲˌdʲeːdˠ/
Various forms
Genitive singular:
formaildéid, an fhormaildéid (e.g. boladh an fhormaildéid, the smell of formaldehyde)

What does “formaildéad” mean?

formaldehyde
A colourless, strong-smelling chemical gas, used dissolved in water to preserve specimens and in industry.Also: methanal, formalin.

“Formaildéad” with the article

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

an formaildéad
the formaldehyde
No change after an

“Formaildéad” in a sentence: Irish examples

Common Irish sentences using formaildéad, the Irish word for formaldehyde.

Is ceimiceán nimhiúil é formaildéad.
Formaldehyde is a poisonous chemical.
Coinníodh an frog i bhformaildéad sa tsaotharlann.
The frog was preserved in formaldehyde in the lab.
Bhí boladh láidir an fhormaildéid sa seomra.
There was a strong smell of formaldehyde in the room.
Úsáidtear an formaildéad chun eiseamail a chaomhnú.
Formaldehyde is used to preserve specimens.
Tá formaildéad i roinnt gliúnna agus adhmaid.
Some glues and woods contain formaldehyde.
Ná bí ag análú an fhormaildéid.
Don't breathe in the formaldehyde.
Thomhais an t-eolaí leibhéal an fhormaildéid san aer.
The scientist measured the level of formaldehyde in the air.

Other nouns in Irish

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Formaldehyde in Irish: frequently asked questions

What is the Irish for formaldehyde?

The Irish for formaldehyde is formaildéad (pronounced “FOR-um-al-jayd”). It’s a masculine noun.

How do you pronounce formaildéad in Irish?

Formaildéad is said like “FOR-um-al-jayd” (IPA /ˈfˠɔɾˠəmˠalʲˌdʲeːdˠ/).

Does formaildéad have a plural?

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

Why does formaildéad change to fhormaildéad or bhformaildéad?

Irish changes the start of some words after certain words. After mo (my) formaildéad becomes m'fhormaildéad (lenition), and after ár (our) or i (in) it becomes ár bhformaildéad (eclipsis).

Is formaildéad the same as formailin?

Not exactly: formaildéad is the chemical itself, while formailin is a solution of it in water used for preserving specimens.

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