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.
Depending on your coverage, your health plan may include therapy sessions, access to registered dietitians, trainers or physical therapists, and even gym memberships. Stephanie Anderson Witmer, Health, 14 May 2026 Behind the viral name is a nutrition principle dietitians have been recommending for years—eating enough fiber. Kathleen Ferraro, Verywell Health, 13 May 2026 Taking a Transparent Approach to Formulas and Nutrition For many dietitians, high-protein shakes can act as a nutritionally sound way to approach better health. K.h. Koehler, USA Today, 8 May 2026 The team includes psychiatrists, psychologists, therapists and dietitians, with treatment options such as inpatient hospitalization, partial hospitalization, intensive outpatient care, medication management and counseling, the news release said. Aurora Beacon-News, Chicago Tribune, 8 May 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 15 May. 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

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