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Decimetre in Irish (Deiciméadar): Meaning, Pronunciation, Usage

The Irish for decimetre is deiciméadar, a masculine noun (plural deiciméadair).
Updated October 2026Report a mistake

How to say “decimetre” in Irish

Irish:
deiciméadar
English:
decimetre
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“DEK-ih-may-dur”  /ˈdʲɛcɪmʲeːd̪ˠəɾˠ/
Various forms
Plural:
deiciméadair (decimetres)
Genitive singular:
deiciméadair, an deiciméadair (e.g. fad deiciméadair, the length of a decimetre)
Genitive plural:
deiciméadar, na ndeiciméadar (e.g. fad na ndeiciméadar, the length of the decimetres)

What does “deiciméadar” mean?

decimetre
A unit of length equal to one tenth of a metre, or ten centimetres.Also: decimeter, dm, tenth of a metre.

“Deiciméadar” with the article

The plural of decimetre in Irish is deiciméadair. Here is deiciméadar after the article (an t-alt), in the singular and the plural.

an deiciméadar
the decimetre
No change after an
na deiciméadair
the decimetres
Plural: no change after na

“Deiciméadar” in a sentence: Irish examples

Common Irish sentences using deiciméadar, the Irish word for decimetre.

Tá deich gceintiméadar i ndeiciméadar amháin.
There are ten centimetres in one decimetre.
Is ionann deich ndeiciméadar agus méadar amháin.
Ten decimetres equal one metre.
Tomhais an líne seo i ndeiciméadair.
Measure this line in decimetres.
Tá an bosca dhá dheiciméadar ar leithead.
The box is two decimetres wide.
Ní úsáidtear an deiciméadar go minic sa saol laethúil.
The decimetre isn't often used in everyday life.
Is lítear amháin é deiciméadar ciúbach.
A cubic decimetre is one litre.
Scríobh an múinteoir giorrúchán an deiciméadair ar an gclár.
The teacher wrote the abbreviation for decimetre on the board.

Other nouns in Irish

More everyday Irish nouns to learn next.

Decimetre in Irish: frequently asked questions

What is the Irish for decimetre?

The Irish for decimetre is deiciméadar (pronounced “DEK-ih-may-dur”). It’s a masculine noun and the plural is deiciméadair.

How do you pronounce deiciméadar in Irish?

Deiciméadar is said like “DEK-ih-may-dur” (IPA /ˈdʲɛcɪmʲeːd̪ˠəɾˠ/).

What is the plural of decimetre in Irish?

The plural of deiciméadar is deiciméadair; with the article, na deiciméadair means “the decimetres”. The genitive plural is deiciméadar, as in fad na ndeiciméadar (the length of the decimetres).

Why does deiciméadar change to dheiciméadar or ndeiciméadar?

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

How does 'deiciméadar' relate to other metric units in Irish?

It follows the same pattern as 'ceintiméadar' and 'milliméadar': ten 'ceintiméadar' make one 'deiciméadar', and ten 'deiciméadar' make one 'méadar'.

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