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Transpiration in Irish (Trasghalú): Meaning, Pronunciation, Usage

The Irish for transpiration is trasghalú, a masculine noun.
Updated October 2026Report a mistake

How to say “transpiration” in Irish

Irish:
trasghalú
English:
transpiration
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“TRAHS-ghal-oo”  /ˈt̪ɾˠasˠɣəl̪ˠuː/
Various forms
Genitive singular:
trasghalaithe, an trasghalaithe (e.g. ráta an trasghalaithe, rate of transpiration)

What does “trasghalú” mean?

transpiration
The process by which plants lose water vapour through their leaves; it is the verbal noun of the verb trasghalaigh.Also: plant water loss, evaporation from leaves.

“Trasghalú” with the article

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

an trasghalú
the transpiration
No change after an

“Trasghalú” in a sentence: Irish examples

Common Irish sentences using trasghalú, the Irish word for transpiration.

Cailleann plandaí uisce trí thrasghalú.
Plants lose water through transpiration.
Tarlaíonn an trasghalú go príomha sna duilleoga.
Transpiration happens mainly in the leaves.
Méadaíonn an teas ráta an trasghalaithe.
Heat increases the rate of transpiration.
Rinneamar turgnamh ar thrasghalú sa rang eolaíochta.
We did an experiment on transpiration in science class.
Laghdaíonn an ghaoth íseal an trasghalú.
Low wind reduces transpiration.
Is cuid den timthriall uisce é an trasghalú.
Transpiration is part of the water cycle.
Mínigh próiseas an trasghalaithe i d'fhocail féin.
Explain the process of transpiration in your own words.

Other nouns in Irish

More everyday Irish nouns to learn next.

Transpiration in Irish: frequently asked questions

What is the Irish for transpiration?

The Irish for transpiration is trasghalú (pronounced “TRAHS-ghal-oo”). It’s a masculine noun.

How do you pronounce trasghalú in Irish?

Trasghalú is said like “TRAHS-ghal-oo” (IPA /ˈt̪ɾˠasˠɣəl̪ˠuː/).

Does trasghalú have a plural?

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

Why does trasghalú change to thrasghalú or dtrasghalú?

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

How is trasghalú different from galú?

Galú is evaporation in general, while trasghalú is specifically the loss of water vapour from plants, mainly through the leaves.

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