# dietetics

> English word · Noun · IPA /daɪəˈtɛtɪks/ · frequency rank #55,386

## Definitions
1. The study of diet and nutrition in relation to health and disease.

## Etymology
See dietetic + -ics.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dietetics