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.
In addition to online strength training led by a physical trainer, people in the intervention attended hour-long video classes on vegan nutrition hosted by a dietitian. Sandee Lamotte, CNN Money, 29 July 2025 Most of these patients work with a medical provider or dietitian to identify and eliminate food sources that contain gluten and to get recommendations on how to make up for nutritional deficiencies. Daryl Austin, USA Today, 19 July 2025 One banana has about 400 milligrams of potassium, said Alexandra Rosenstock, RD, CDN, a dietitian at Weill Cornell Medicine and NewYork-Presbyterian, told Verywell. Maggie O'Neill, Verywell Health, 18 July 2025 According to Maude Morin, a registered dietitian with Canada’s JM Nutrition, those with the condition should steer clear of high-fat or acidic foods, avoid reclining after meals, wear loose clothes, and drink plenty of water to clean the mouth. Betsy Andrews, Saveur, 17 July 2025 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 7 Aug. 2025.

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

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