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Hydroxyl in Irish (Hiodrocsail): Meaning, Pronunciation, Usage

The Irish for hydroxyl is hiodrocsail, a feminine noun (plural hiodrocsailí).
Updated October 2026Report a mistake

How to say “hydroxyl” in Irish

Irish:
hiodrocsail
English:
hydroxyl
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“HID-ruk-sil”  /ˈhɪd̪ˠɾˠəksəlʲ/
Various forms
Plural:
hiodrocsailí (hydroxyls)
Genitive singular:
hiodrocsaile, na hiodrocsaile (e.g. grúpa hiodrocsaile, hydroxyl group)
Genitive plural:
hiodrocsailí, na hiodrocsailí (e.g. líon na hiodrocsailí, the number of hydroxyls)

What does “hiodrocsail” mean?

hydroxyl
In chemistry, a group made of one oxygen atom and one hydrogen atom bonded together, found in alcohols and bases.Also: hydroxyl group, hydroxy group, oh group.

“Hiodrocsail” with the article

The plural of hydroxyl in Irish is hiodrocsailí. Here is hiodrocsail after the article (an t-alt), in the singular and the plural.

an hiodrocsail
the hydroxyl
No change after an
na hiodrocsailí
the hydroxyls
Plural: no change after na

“Hiodrocsail” in a sentence: Irish examples

Common Irish sentences using hiodrocsail, the Irish word for hydroxyl.

Tá hiodrocsail i ngach alcól.
Every alcohol contains a hydroxyl.
Is grúpa ocsaigine agus hidrigine an hiodrocsail.
The hydroxyl is a group of oxygen and hydrogen.
Tarraing grúpa hiodrocsaile ar an móilín seo.
Draw a hydroxyl group on this molecule.
Tá dhá hiodrocsail sa mhóilín sin.
That molecule has two hydroxyls.
Cá bhfuil an hiodrocsail sa struchtúr seo?
Where is the hydroxyl in this structure?
D'fhoghlaimíomar faoi hiodrocsailí sa rang ceimice.
We learned about hydroxyls in chemistry class.
Athraíonn an hiodrocsail airíonna na comhdhúile.
The hydroxyl changes the properties of the compound.

Other nouns in Irish

More everyday Irish nouns to learn next.

Hydroxyl in Irish: frequently asked questions

What is the Irish for hydroxyl?

The Irish for hydroxyl is hiodrocsail (pronounced “HID-ruk-sil”). It’s a feminine noun and the plural is hiodrocsailí.

How do you pronounce hiodrocsail in Irish?

Hiodrocsail is said like “HID-ruk-sil” (IPA /ˈhɪd̪ˠɾˠəksəlʲ/).

What is the plural of hydroxyl in Irish?

The plural of hiodrocsail is hiodrocsailí; with the article, na hiodrocsailí means “the hydroxyls”. The genitive plural is hiodrocsailí, as in líon na hiodrocsailí (the number of hydroxyls).

What is the difference between hiodrocsail and hiodrocsaíd?

Hiodrocsail is the hydroxyl group within a molecule, while hiodrocsaíd means hydroxide, as in hiodrocsaíd sóidiam (sodium hydroxide).

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