adjective
dietetic
dy-uh-TET-ik/ˌdaɪəˈtetɪk/
Relating to nutrition or a planned diet.
The clinic offers dietetic advice to patients with diabetes.

Etymology
Greek diaitētikos described matters of diet or regimen. The underlying idea of a way of life narrowed here to rules governing what and how much someone eats, especially for health.
In context
We called boiled ham dietetic ham.
More examples
- Her dietetic training helps her plan balanced meals.
- The hospital's dietetic staff adapts meals for patients with allergies.
- He follows dietetic recommendations to lower his salt intake.
Forms
dietetics noun — The study and practical application of nutrition.
dietitian noun — A professional trained to provide nutritional guidance.
Similar words
- nutritional
- Emphasizes nutrients and nourishment rather than planned food intake.
- dietary
- More broadly describes eating habits, food intake, or restrictions.