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.
The dietitian emphasized that these findings don’t mean water and diet soda are nutritionally identical. — Melissa Rudy, FOXNews.com, 7 Oct. 2026 Erin Palinski-Wade, dietitian based in New Jersey The third is clinical visibility. — Samantha Agate, Sacbee.com, 6 Oct. 2026 Participants were instructed to meet with a dietitian and eat a certain amount of prepared food provided throughout the five-month study. — Stephanie Anderson Witmer, HEALTH, 28 Sep. 2026 Registered dietitians say the leafy green primes the gut, eases bloating and supplies nutrients tied to bone density and gut health. — Hanna Wickes, Fort Worth Star-Telegram, 23 Sep. 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 9 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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