di·​e·​tet·​ics ˌdī-ə-ˈte-tiks How to pronounce dietetics (audio)
plural in form but singular or plural in construction
: the science or art of applying the principles of nutrition to the diet

Examples of dietetics in a Sentence

Recent Examples on the Web Chefs and clinical dietetics will have different requirements than pharmacy directors or facilities management. Guy Yehiav, Forbes, 23 Jan. 2023 For Arnold, who is majoring in human nutrition and dietetics, her own personal skin care challenges inspired her to start her company, which is vegan-based and offers products that fight acne, dark spots, scars and fine lines. Ryan Anderson, Arkansas Online, 8 Jan. 2023 The college is also launching a hybrid undergraduate degree program in nutrition and dietetics next fall with both online and in-person classes. cleveland, 2 Dec. 2022 In her years on this planet she's earned two master's degrees in nutrition science, won awards in the dietetics field, has been in countless fashion shows and editorials, and she's even appeared in a Beyoncé video. Brittany Talarico,, 17 May 2022 Sheena majored in dietetics and journalism, completing a one-year apprenticeship at Meredith Corporation in their books division as part of her education. Better Homes & Gardens, 30 July 2022 After getting her degree in nutrition dietetics at Arizona State University, Gomez spent four years working in school nutrition. Priscilla Totiyapungprasert,, 26 Dec. 2021 At risk individuals should enter an interdisciplinary support model that includes dietetics, athletic medicine, and mental health services. Ken Goe For The Oregonian/oregonlive, oregonlive, 2 Dec. 2021 Lauri Wright, chair of the department of nutrition and dietetics at the University of North Florida and national spokesperson for the Academy of Nutrition and Dietetics, seconds this long-term mindset. Sherry Liang, CNN, 2 Nov. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dietetics.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1799, in the meaning defined above

Time Traveler
The first known use of dietetics was in 1799

Dictionary Entries Near dietetics

Cite this Entry

“Dietetics.” Dictionary, Merriam-Webster, Accessed 16 Jun. 2024.

Kids Definition


: the science of applying the principles of nutrition to feeding

Medical Definition


noun, plural in form but singular or plural in construction
di·​etet·​ics -ˈtet-iks How to pronounce dietetics (audio)
: the science or art of applying the principles of nutrition to feeding
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!