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Milk tooth in Irish (Diúlfhiacail): Meaning, Pronunciation, Usage

The Irish for milk tooth is diúlfhiacail, a feminine noun (plural diúlfhiacla).
Updated October 2026Report a mistake

How to say “milk tooth” in Irish

Irish:
diúlfhiacail
English:
milk tooth
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“DYOOL-ee-uh-kil”  /ˈdʲuːlˌiəkəlʲ/
Various forms
Plural:
diúlfhiacla (milk teeth)
Genitive singular:
diúlfhiacaile, na diúlfhiacaile (e.g. fréamh na diúlfhiacaile, the root of the milk tooth)
Genitive plural:
diúlfhiacla, na ndiúlfhiacla (e.g. titim na ndiúlfhiacla, the falling out of the milk teeth)

What does “diúlfhiacail” mean?

milk tooth
One of the first set of teeth a child grows, which later fall out and are replaced.Also: baby tooth, deciduous tooth, primary tooth.

“Diúlfhiacail” with the article

The plural of milk tooth in Irish is diúlfhiacla. Here is diúlfhiacail after the article (an t-alt), in the singular and the plural.

an diúlfhiacail
the milk tooth
No change: d and t are not lenited after an
na diúlfhiacla
the milk teeth
Plural: no change after na

“Diúlfhiacail” in a sentence: Irish examples

Common Irish sentences using diúlfhiacail, the Irish word for milk tooth.

Tá diúlfhiacail scaoilte ag mo mhac.
My son has a loose milk tooth.
Thit an diúlfhiacail amach inné.
The baby tooth fell out yesterday.
Chuir sí an diúlfhiacail faoin bpiliúr.
She put the milk tooth under the pillow.
Tá na diúlfhiacla ag titim amach anois.
The baby teeth are falling out now.
Bhí poll i mo dhiúlfhiacail nuair a bhí mé óg.
I had a hole in my milk tooth when I was young.
Tagann fiacla buana in áit na ndiúlfhiacla.
Permanent teeth replace the milk teeth.
Bhain an fiaclóir diúlfhiacail amach di.
The dentist took out a milk tooth for her.

Other nouns in Irish

More everyday Irish nouns to learn next.

Milk tooth in Irish: frequently asked questions

What is the Irish for milk tooth?

The Irish for milk tooth is diúlfhiacail (pronounced “DYOOL-ee-uh-kil”). It’s a feminine noun and the plural is diúlfhiacla.

How do you pronounce diúlfhiacail in Irish?

Diúlfhiacail is said like “DYOOL-ee-uh-kil” (IPA /ˈdʲuːlˌiəkəlʲ/).

What is the plural of milk tooth in Irish?

The plural of diúlfhiacail is diúlfhiacla; with the article, na diúlfhiacla means “the milk teeth”. The genitive plural is diúlfhiacla, as in titim na ndiúlfhiacla (the falling out of the milk teeth).

Why does diúlfhiacail change to dhiúlfhiacail or ndiúlfhiacail?

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

What is the difference between 'diúlfhiacail' and 'fiacail'?

'Fiacail' is any tooth, while 'diúlfhiacail' (from 'diúl', suckling) is specifically a child's milk tooth.

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