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.
Most people wake mildly dehydrated after six to eight hours of sleep, dietitians and endocrinologists say. — Hanna Wickes, Kansas City Star, 15 Oct. 2026 And protein is an important nutrient, but recently people have been taking it to the extreme, said Natalie Mokari, a dietitian based in Charlotte, North Carolina. — Madeline Holcombe, CNN Money, 14 Oct. 2026 The longtime dietitian also believes that taking care of your health plays an important role in feeling your best at any age. — Stephanie Nolasco, FOXNews.com, 11 Oct. 2026 Erin Palinski-Wade, dietitian based in New Jersey The third is clinical visibility. — Samantha Agate, Sacbee.com, 6 Oct. 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

Rhymes for dietitian

See All Rhymes for dietitian

Browse Nearby Words

dietine
dietitian
diet kitchen
See all Nearby Words

Cite this Entry

“Dietitian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dietitian. Accessed 20 Oct. 2026.

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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
ˌdī-ə-ˈtish-ən How to pronounce dietitian (audio)
: a specialist in dietetics
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