di·​e·​ti·​tian | \ˌdī-ə-ˈti-shən \
variants: or less commonly dietician

Definition of dietitian 

: a specialist in dietetics

Examples of dietitian in a Sentence

Recent Examples on the Web

Marjorie Nolan Cohn, a registered dietitian and nutrition director for Metro Behavioral Health Associates, an eating disorder treatment center in New York, points to the country's current food climate as conducive to cleansing. Courtney Rubin, Marie Claire, "Cleansing's Dirty Secret," 26 Apr. 2013 But both dietitians agree that there is no good in feeling guilty or upset the day after a big meal. Jenna Rosenstein, Harper's BAZAAR, "The Holidays Are Coming—Here's How To Get Back On Track After a Big Meal," 19 Oct. 2018 Perri Halperin, a registered dietitian at Mount Sinai Hospital in New York City, tells Allure. Macaela Mackenzie, Allure, "Can the Keto Diet Cause Rashes and Acne? Here's What the Experts Say," 23 May 2018 Want to sit down with a dietitian to discuss your nutrition goals? Andrea Thelen, Ms, Detroit Free Press, "VIDEO: Sheet-pan rainbow vegetables & lemon-garlic salmon," 21 May 2018 At this time, my mom was working as a dietitian at a nursing home. Kenny Leon, ajc, "‘Take You Wherever You Go’," 25 May 2018 Additional points would be awarded to units with dedicated dietitians, pharmacists and respiratory therapy teams. Paul Sisson,, "Rady again 10-for-10 in U.S. News report, but top rankings slip a bit," 26 June 2018 These feed on smaller fish that have accumulated mercury, Dana Hunnes, R.D., Ph.D., M.P.H., a senior dietitian at Ronald Reagan UCLA Medical Center and an adjunct assistant professor at the UCLA Fielding School of Public Health, tells SELF. Korin Miller, SELF, "Hilary Duff May Have Eaten Sushi While Pregnant and Everyone Needs to Chill Out About It," 13 July 2018 The groom’s mother is a clinical dietitian at the Long Island Care Center in Flushing, Queens. New York Times, "Claire Glasspiegel, Robert Spencer," 27 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dietitian.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dietitian

circa 1846, in the meaning defined above

History and Etymology for dietitian

dietitian irregular from diet entry 1 + -ician

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Statistics for dietitian

Last Updated

17 Dec 2018

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Time Traveler for dietitian

The first known use of dietitian was circa 1846

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More Definitions for dietitian



English Language Learners Definition of dietitian

: a person whose job is to give people advice about what to eat in order to be healthy


variants: or dietician \ˌdī-​ə-​ˈti-​shən \

Kids Definition of dietitian

: a person trained to give advice about diet and nutrition


variants: or dietician \ˌdī-​ə-​ˈtish-​ən \

Medical Definition of dietitian 

: a specialist in dietetics

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More from Merriam-Webster on dietitian

Rhyming Dictionary: Words that rhyme with dietitian

Spanish Central: Translation of dietitian

Nglish: Translation of dietitian for Spanish Speakers

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a knickknack or trinket

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