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 regularly consuming olive oil can do for the body, as explained by dietitians. Kirsten Nunez, Martha Stewart, 10 Jan. 2026 Many of my clients still need to plan meals, track intake, work with a dietitian, build habits, and stay active to reach their goals. Self Staff, SELF, 9 Jan. 2026 Specialist dietitians also work with each patient to make a personal nutrition plan. Wyles Daniel, AZCentral.com, 5 Jan. 2026 Viral trends promoted protein lattes, clear protein drinks and even Parmesan cheese wedges as cleaner whole-food alternatives to bars and powders, even as dietitians cautioned the craze is often driven by marketing and is easy to take too far. Deirdre Bardolf, FOXNews.com, 2 Jan. 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 12 Jan. 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

Last Updated: - Updated example sentences
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