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Evaporation in Irish (Galú): Meaning, Pronunciation, Usage

The Irish for evaporation is galú, a masculine noun. Ag galú is evaporating, from the verb galaigh.
Updated October 2026Report a mistake

How to say “evaporation” in Irish

Irish:
galú
English:
evaporation
Word type:
noun (verbal noun)
Verbal noun of:
galaigh, to evaporate (ag galú, evaporating)
Gender:
masculine
Pronunciation:
“GAL-oo”  /ˈɡal̪ˠuː/
Various forms
Genitive singular:
galaithe, an ghalaithe (e.g. ráta galaithe, rate of evaporation)

What does “galú” mean?

evaporation
The process of a liquid turning into vapour; it is the verbal noun of the verb galaigh.Also: vaporisation, vaporization, evaporating.

“Galú” as a verbal noun

After ag, galú means evaporating: it is the verbal noun of the verb galaigh (to evaporate). A noun that follows it goes into the genitive.

agat
+
galúverbal noun
=
ag galúevaporating

“Galú” with the article

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

an galú
the evaporation
No change after an

“Galú” in a sentence: Irish examples

Common Irish sentences using galú, the Irish word for evaporation.

Cailltear uisce trí ghalú ón loch.
Water is lost from the lake through evaporation.
Bíonn an galú níos tapúla sa teas.
Evaporation is faster in the heat.
Mhínigh an múinteoir próiseas an ghalaithe dúinn.
The teacher explained the process of evaporation to us.
Is cuid den timthriall uisce é galú.
Evaporation is part of the water cycle.
Rinneamar turgnamh ar ghalú sa rang eolaíochta.
We did an experiment on evaporation in science class.
Méadaíonn an ghaoth ráta an ghalaithe.
The wind increases the rate of evaporation.
Fágann galú an tsáile salann ina dhiaidh.
The evaporation of seawater leaves salt behind.

Other nouns in Irish

More everyday Irish nouns to learn next.

Evaporation in Irish: frequently asked questions

What is the Irish for evaporation?

The Irish for evaporation is galú (pronounced “GAL-oo”). It’s a masculine noun.

How do you pronounce galú in Irish?

Galú is said like “GAL-oo” (IPA /ˈɡal̪ˠuː/).

Does galú have a plural?

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

Why does galú change to ghalú or ngalú?

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

How is 'galú' related to 'gal'?

'Galú' comes from 'gal' (vapour, steam) through the verb 'galaigh' (evaporate), so it literally means turning into vapour.

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