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Dietitian in Irish (Diaitéiteach): Meaning, Pronunciation, Usage

The Irish for dietitian is diaitéiteach, a masculine noun (plural diatéitigh).
Updated October 2026Report a mistake

How to say “dietitian” in Irish

Irish:
diaitéiteach
English:
dietitian
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“DEE-uh-tay-tyukh”  /ˈdʲiəˌtʲeːtʲəx/
Various forms
Plural:
diatéitigh (dietitians)
Genitive singular:
diaitéitigh, an diaitéitigh (e.g. comhairle an diaitéitigh, the dietitian's advice)
Genitive plural:
diatéiteach, na ndiatéiteach (e.g. cumann na ndiatéiteach, the association of dietitians)

What does “diaitéiteach” mean?

dietitian
A person trained in diet and nutrition who advises people on what to eat.Also: dietician, nutritionist, diet expert.

“Diaitéiteach” with the article

The plural of dietitian in Irish is diatéitigh. Here is diaitéiteach after the article (an t-alt), in the singular and the plural.

an diaitéiteach
the dietitian
No change after an
na diatéitigh
the dietitians
Plural: no change after na

“Diaitéiteach” in a sentence: Irish examples

Common Irish sentences using diaitéiteach, the Irish word for dietitian.

Is diaitéiteach í mo dheirfiúr.
My sister is a dietitian.
Chuaigh mé chuig an diaitéiteach inné.
I went to the dietitian yesterday.
Lean mé comhairle an diaitéitigh go cúramach.
I followed the dietitian's advice carefully.
Tá dhá dhiaitéiteach ag obair san ospidéal.
Two dietitians work in the hospital.
Dúirt mo dhiaitéiteach liom níos mó glasraí a ithe.
My dietitian told me to eat more vegetables.
Tá na diatéitigh an-ghnóthach i mbliana.
The dietitians are very busy this year.
Ba mhaith liom a bheith i mo dhiaitéiteach.
I would like to be a dietitian.

Other nouns in Irish

More everyday Irish nouns to learn next.

Dietitian in Irish: frequently asked questions

What is the Irish for dietitian?

The Irish for dietitian is diaitéiteach (pronounced “DEE-uh-tay-tyukh”). It’s a masculine noun and the plural is diatéitigh.

How do you pronounce diaitéiteach in Irish?

Diaitéiteach is said like “DEE-uh-tay-tyukh” (IPA /ˈdʲiəˌtʲeːtʲəx/).

What is the plural of dietitian in Irish?

The plural of diaitéiteach is diatéitigh; with the article, na diatéitigh means “the dietitians”. The genitive plural is diatéiteach, as in cumann na ndiatéiteach (the association of dietitians).

Why does diaitéiteach change to dhiaitéiteach or ndiaitéiteach?

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

What is the difference between 'diaitéiteach' and 'aiste bia'?

'Diaitéiteach' is the person, a dietitian, while 'aiste bia' means a diet itself.

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