dietitian

noun

di·​e·​ti·​tian ˌdī-ə-ˈti-shən How to pronounce dietitian (audio)
variants or less commonly dietician
: a specialist in dietetics

Examples of dietitian in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This article is meant to inform the general reader and is not a substitute for medical advice from a physician or nutritional advice from a dietitian and/or nutritionist. Samantha Agate, Kansas City Star, 28 May 2026 As more Americans turn to GLP-1 medications like Ozempic for weight management, doctors and dietitians are weighing in on which foods work best — and which to avoid — to maximize results and minimize side effects. Samantha Agate, Miami Herald, 28 May 2026 Following registered dietitians, credible health organizations, and body-positive creators can provide more realistic and balanced perspectives. Leeann Weintraub, Oc Register, 27 May 2026 That combination is one reason dietitians often recommend whole-wheat bread as a more satisfying and sustaining choice for meals and snacks. Randi Gollin, Martha Stewart, 19 May 2026 See All Example Sentences for dietitian

Word History

Etymology

dietitian irregular from diet entry 1 + -ician

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of dietitian was circa 1846

Browse Nearby Words

Cite this Entry

“Dietitian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dietitian. Accessed 4 Jun. 2026.

Kids Definition

dietitian

noun
di·​eti·​tian
variants or dietician
ˌdī-ə-ˈtish-ən
: a specialist in dietetics

Medical Definition

dietitian

noun
di·​eti·​tian
variants or dietician
: a specialist in dietetics

More from Merriam-Webster on dietitian

Love words? Need even more definitions?

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

More from Merriam-Webster