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Synonyms

dietetics

British  
/ ˌdaɪɪˈtɛtɪks /

noun

  1. (functioning as singular) the scientific study and regulation of food intake and preparation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Explanation

The science of human nutrition is known as dietetics. If you decide to study dietetics in college, you'll study nutrients and food, as well as anatomy, chemistry, genetics, and more. If someone wants to be a nutritionist or registered dietitian, their field of study will be dietetics. It's basically the science of studying nutrition and then applying those principles to specific patients, clients, or groups. With knowledge of dietetics, you might go into public health, become a doctor, or advise people how to lower their cholesterol or blood sugar by modifying their diets, for example.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Academy of Nutrition and Dietetics has issued a dietary recommendation suggesting 400 to 600 milligrams of flavanols per day for cardiometabolic health.

From Science Daily • May 24, 2026

The health benefits of functional coffees "vary quite a lot and for most people, they're not essential," says Bini Suresh, from the British Dietetics Association.

From BBC • Nov. 22, 2025

What Caroline Susie, a registered dietician and the spokesperson for the Academy of Nutrition and Dietetics, told me makes me wish I had a time machine: “Osteoporosis is a childhood disease with adult consequences.”

From Slate • Feb. 27, 2025

“Proper hydration keeps every system of the body running smoothly,” says dietitian-nutritionist Vanessa King, a spokesperson for the Academy of Nutrition and Dietetics.

From Los Angeles Times • Jul. 22, 2024

Dietetics have no commands to give as to the kind, in eating, drinking, sleeping, etc., but only as to degree.

From The Invisible Lodge by Jean Paul

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