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Adsorption in Irish (Asú): Meaning, Pronunciation, Usage

‘asú’ also means: aspiration

The Irish for adsorption is asú, a masculine noun.
Updated October 2026Report a mistake

How to say “adsorption” in Irish

Irish:
asú
English:
adsorption, aspiration
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“AS-oo”  /ˈasˠuː/
Various forms
Genitive singular:
asú, an asú (e.g. próiseas an asú, the process of adsorption)

What does “asú” mean?

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

adsorption
The verbal noun of asúigh: the process by which a substance gathers as a thin layer on the surface of another substance.Also: adsorbing.
1 other meaning: aspiration
2aspiration
The drawing off of fluid from the body, for example by suction.Also: suction, withdrawal of fluid.

“Asú” with the article

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

an t-asú
the adsorption
Masculine nouns take t before a vowel after an

“Asú” in a sentence: Irish examples

Common Irish sentences using asú, the Irish word for adsorption.

Is próiseas dromchla é asú.
Adsorption is a surface process.
Tarlaíonn an t-asú ar dhromchla an ghuail.
The adsorption happens on the surface of the charcoal.
Mhínigh an múinteoir coincheap an asú dúinn.
The teacher explained the concept of adsorption to us.
Ní hionann asú agus ionsú.
Adsorption is not the same as absorption.
Rinne an dochtúir asú ar an leacht.
The doctor aspirated the fluid.
Bhí ráta an asú an-ard sa turgnamh.
The rate of adsorption was very high in the experiment.
Úsáidtear asú i scagairí uisce.
Adsorption is used in water filters.

Other nouns in Irish

More everyday Irish nouns to learn next.

Adsorption in Irish: frequently asked questions

What is the Irish for adsorption?

The Irish for adsorption is asú (pronounced “AS-oo”). It’s a masculine noun. Depending on context it can also mean aspiration.

How do you pronounce asú in Irish?

Asú is said like “AS-oo” (IPA /ˈasˠuː/).

Does asú have a plural?

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

Does asú have more than one meaning?

Yes. Asú can mean adsorption or aspiration, depending on context; the first is the most common.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-asú (the adsorption), a hasú (her adsorption), a n-asú (their adsorption).

What is the difference between asú and ionsú?

Asú is adsorption, where a substance collects on a surface, while ionsú is absorption, where it is taken in throughout.

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