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.
Here’s what all three dietitians identified as pitfalls of the plan. — Emily Kay Votruba, EverydayHealth.com, 29 June 2026 When deciding which protein powder is ideal for you, dietitians encourage thinking about your goals. — Jess Cording, Forbes.com, 25 June 2026 Those managing blood sugar may need fewer carbs, while athletes might need more; consult a healthcare provider or dietitian for tailored guidance. — Verywell Health, 5 July 2026 The dietitian thought there might be a correlation, according to an internal Abbott summary of the complaint shown during Colombo’s deposition. — David Hilzenrath, USA Today, 2 July 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 7 Jul. 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

More from Merriam-Webster on dietitian

Nglish: Translation of dietitian for Spanish Speakers

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