HeyRua Get the app

Acid radical in Irish (Aigéadfhréamh): Meaning, Pronunciation, Usage

The Irish for acid radical is aigéadfhréamh, a feminine noun (plural aigéadfhréamhacha).
Updated October 2026Report a mistake

How to say “acid radical” in Irish

Irish:
aigéadfhréamh
English:
acid radical
Word type:
noun
Gender:
feminine
Pronunciation:
“AG-ayd-ray-uv”  /ˈaɡʲeːdˌrʲeːw/
Various forms
Plural:
aigéadfhréamhacha (acid radicals)
Genitive singular:
aigéadfhréimhe, na haigéadfhréimhe (e.g. foirmle na haigéadfhréimhe, formula of the acid radical)
Genitive plural:
aigéadfhréamhacha, na n-aigéadfhréamhacha (e.g. foirmlí na n-aigéadfhréamhacha, the formulas of the acid radicals)

What does “aigéadfhréamh” mean?

acid radical
In chemistry, the part of an acid molecule that remains when the replaceable hydrogen is removed, such as sulphate in sulphuric acid.Also: acid residue, anion of an acid.

“Aigéadfhréamh” with the article

The plural of acid radical in Irish is aigéadfhréamhacha. Here is aigéadfhréamh after the article (an t-alt), in the singular and the plural.

an aigéadfhréamh
the acid radical
No change: feminine nouns starting with a vowel keep their form after an
na haigéadfhréamhacha
the acid radicals
Plural: na adds h before a vowel

“Aigéadfhréamh” in a sentence: Irish examples

Common Irish sentences using aigéadfhréamh, the Irish word for acid radical.

Is aigéadfhréamh í an tsulfáit.
Sulphate is an acid radical.
Tá an aigéadfhréamh ceangailte leis an miotal.
The acid radical is bonded to the metal.
Scríobh síos foirmle na haigéadfhréimhe.
Write down the formula of the acid radical.
Tá lucht diúltach ar na haigéadfhréamhacha seo.
These acid radicals carry a negative charge.
Cén aigéadfhréamh atá san aigéad seo?
Which acid radical is in this acid?
D'fhoghlaimíomar faoi aigéadfhréamhacha sa rang ceimice.
We learned about acid radicals in chemistry class.
Aimsigh an aigéadfhréamh i ngach salann.
Find the acid radical in each salt.

Other nouns in Irish

More everyday Irish nouns to learn next.

Acid radical in Irish: frequently asked questions

What is the Irish for acid radical?

The Irish for acid radical is aigéadfhréamh (pronounced “AG-ayd-ray-uv”). It’s a feminine noun and the plural is aigéadfhréamhacha.

How do you pronounce aigéadfhréamh in Irish?

Aigéadfhréamh is said like “AG-ayd-ray-uv” (IPA /ˈaɡʲeːdˌrʲeːw/).

What is the plural of acid radical in Irish?

The plural of aigéadfhréamh is aigéadfhréamhacha; with the article, na haigéadfhréamhacha means “the acid radicals”. The genitive plural is aigéadfhréamhacha, as in foirmlí na n-aigéadfhréamhacha (the formulas of the acid radicals).

Why does aigéadfhréamh sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an aigéadfhréamh (the acid radical), a haigéadfhréamh (her acid radical), a n-aigéadfhréamh (their acid radical), na haigéadfhréamhacha (the acid radicals).

How is aigéadfhréamh formed?

It combines aigéad (acid) and fréamh (root, radical), with the second element lenited, giving aigéadfhréamh, literally 'acid root'.

Learn Irish by
actually speaking it

Learn everyday Irish words like aigéadfhréamh through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen