HeyRua Get the app

Decimalization in Irish (Deachúlú): Meaning, Pronunciation, Usage

The Irish for decimalization is deachúlú, a masculine noun.
Updated October 2026Report a mistake

How to say “decimalization” in Irish

Irish:
deachúlú
English:
decimalization
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“DYAKH-oo-loo”  /ˈdʲaxuːl̪ˠuː/
Various forms
Genitive singular:
deachúlaithe, an deachúlaithe (e.g. lá an deachúlaithe, decimalization day)

What does “deachúlú” mean?

decimalization
The act of converting a currency or system of measurement to a decimal system; it is the verbal noun of the verb 'deachúlaigh'.Also: decimalisation, decimalizing, converting to decimal.

“Deachúlú” with the article

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

an deachúlú
the decimalization
No change after an

“Deachúlú” in a sentence: Irish examples

Common Irish sentences using deachúlú, the Irish word for decimalization.

Tharla deachúlú an airgid in Éirinn sa bhliain 1971.
Ireland's currency was decimalized in 1971.
Bhí daoine scanraithe roimh an deachúlú.
People were worried about decimalization.
Is cuimhin le mo sheanmháthair lá an deachúlaithe.
My grandmother remembers decimalization day.
Mhínigh an múinteoir an deachúlú don rang.
The teacher explained decimalization to the class.
Tar éis an deachúlaithe, bhí céad pingin sa phunt.
After decimalization, there were a hundred pence in the pound.
Ní raibh gach duine sásta leis an deachúlú.
Not everyone was happy with decimalization.
Chuir an deachúlú athrú mór ar na siopaí.
Decimalization brought a big change to the shops.

Other nouns in Irish

More everyday Irish nouns to learn next.

Decimalization in Irish: frequently asked questions

What is the Irish for decimalization?

The Irish for decimalization is deachúlú (pronounced “DYAKH-oo-loo”). It’s a masculine noun.

How do you pronounce deachúlú in Irish?

Deachúlú is said like “DYAKH-oo-loo” (IPA /ˈdʲaxuːl̪ˠuː/).

Does deachúlú have a plural?

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

Why does deachúlú change to dheachúlú or ndeachúlú?

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

What is the difference between 'deachúlú' and 'deachúil'?

'Deachúil' means a decimal (a decimal number or point), while 'deachúlú' is the process of changing to a decimal system.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen