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Molar in Irish (Cúlfhiacail): Meaning, Pronunciation, Usage

The Irish for molar is cúlfhiacail, a feminine noun (plural cúlfhiacla).
Updated October 2026Report a mistake

How to say “molar” in Irish

Irish:
cúlfhiacail
English:
molar
Word type:
noun
Gender:
feminine
Pronunciation:
“KOOL-ee-uh-kil”  /ˈkuːlʲiəkəlʲ/
Various forms
Plural:
cúlfhiacla (molars)
Genitive singular:
cúlfhiacaile, na cúlfhiacaile (e.g. fréamh na cúlfhiacaile, the root of the molar)
Genitive plural:
cúlfhiacla, na gcúlfhiacla (e.g. líon na gcúlfhiacla, the number of molars)

What does “cúlfhiacail” mean?

molar
One of the large back teeth used for grinding food.Also: back tooth, grinder, molar tooth.

“Cúlfhiacail” with the article

The plural of molar in Irish is cúlfhiacla. Here is cúlfhiacail after the article (an t-alt), in the singular and the plural.

an chúlfhiacail
the molar
Lenition: c becomes ch after an (feminine noun)
na cúlfhiacla
the molars
Plural: no change after na

“Cúlfhiacail” in a sentence: Irish examples

Common Irish sentences using cúlfhiacail, the Irish word for molar.

Tá pian i mo chúlfhiacail.
I have a pain in my back tooth.
Bhain an fiaclóir cúlfhiacail amach inné.
The dentist took out a molar yesterday.
Tá poll sa chúlfhiacail seo.
There's a hole in this molar.
Meileann na cúlfhiacla an bia.
The molars grind the food.
Bhí fréamh na cúlfhiacaile lofa.
The root of the molar was rotten.
Tá an chúlfhiacail sin briste.
That back tooth is broken.
Ní fhaca mé riamh cúlfhiacla chomh mór sin.
I've never seen molars that big.

Other nouns in Irish

More everyday Irish nouns to learn next.

Molar in Irish: frequently asked questions

What is the Irish for molar?

The Irish for molar is cúlfhiacail (pronounced “KOOL-ee-uh-kil”). It’s a feminine noun and the plural is cúlfhiacla.

How do you pronounce cúlfhiacail in Irish?

Cúlfhiacail is said like “KOOL-ee-uh-kil” (IPA /ˈkuːlʲiəkəlʲ/).

What is the plural of molar in Irish?

The plural of cúlfhiacail is cúlfhiacla; with the article, na cúlfhiacla means “the molars”. The genitive plural is cúlfhiacla, as in líon na gcúlfhiacla (the number of molars).

Why does cúlfhiacail change to chúlfhiacail or gcúlfhiacail?

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

How is 'cúlfhiacail' different from 'fiacail'?

'Fiacail' is any tooth, while 'cúlfhiacail' (cúl 'back' + fiacail) means specifically a back tooth or molar.

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