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.
As people passed through the home clubhouse at Citizens Bank Park two days after Game 4, Kerkering found the club’s dietitian, Stephanie MacNeill. Matt Gelb, New York Times, 4 Feb. 2026 As a dietitian, Pillepich says not much will change in her recommendations for clients. Alyssa Goldberg, USA Today, 4 Feb. 2026 Other Health Risks to Know About A restrictive diet also puts you at risk of issues such as scurvy, constipation, and essential fatty acid deficiency, according to James Daniel John, MS, RD, a clinical dietitian at Loyola Medicine. Gillian Mohney, Verywell Health, 3 Feb. 2026 His mother, Laura, was a dietitian, and his father, Grady Wilson, was a tailor. Lisa Boone, Los Angeles Times, 1 Feb. 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 10 Feb. 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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