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Reduction in Irish (Laghdúchán): Meaning, Pronunciation, Usage

The Irish for reduction is laghdúchán, a masculine noun.
Updated October 2026Report a mistake

How to say “reduction” in Irish

Irish:
laghdúchán
English:
reduction
Word type:
noun
Gender:
masculine
Pronunciation:
“LYE-doo-khawn”  /ˈl̪ˠəidˠuːxaːnˠ/
Various forms
Genitive singular:
laghdúcháin, an laghdúcháin (e.g. próiseas laghdúcháin, reduction process)

What does “laghdúchán” mean?

reduction
Reduction, especially the chemical process in which a substance gains electrons or loses oxygen.Also: chemical reduction, deoxidation.

Other Irish words for reduction: laghdú (reduction), ísliú (lowering), lascaine (discount), lacáiste (discount)

“Laghdúchán” with the article

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

an laghdúchán
the reduction
No change after an

“Laghdúchán” in a sentence: Irish examples

Common Irish sentences using laghdúchán, the Irish word for reduction.

Is próiseas ceimiceach é laghdúchán.
Reduction is a chemical process.
Is é an laghdúchán a mhalairt d'ocsaídiú.
Reduction is the opposite of oxidation.
Tarlaíonn laghdúchán nuair a ghnóthaíonn adamh leictreoin.
Reduction happens when an atom gains electrons.
D'fhoghlaimíomar faoin laghdúchán sa rang ceimice inniu.
We learned about reduction in chemistry class today.
Scríobh an múinteoir cothromóid an laghdúcháin ar an gclár.
The teacher wrote the reduction equation on the board.
Bíonn ocsaídiú agus laghdúchán ag tarlú le chéile.
Oxidation and reduction happen together.
Úsáidtear hidrigin mar ghníomhaire laghdúcháin.
Hydrogen is used as a reducing agent.

Other nouns in Irish

More everyday Irish nouns to learn next.

Reduction in Irish: frequently asked questions

What is the Irish for reduction?

The Irish for reduction is laghdúchán (pronounced “LYE-doo-khawn”). It’s a masculine noun.

How do you pronounce laghdúchán in Irish?

Laghdúchán is said like “LYE-doo-khawn” (IPA /ˈl̪ˠəidˠuːxaːnˠ/).

Does laghdúchán have a plural?

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

What is the difference between laghdúchán and laghdú?

Laghdú is the everyday word for a reduction or decrease, as in laghdú praghsanna. Laghdúchán is mainly the technical chemistry term for reduction, the opposite of ocsaídiú.

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