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

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 People that couldn’t lose weight or control their blood sugar, even following all the advice their doctors and dietitians gave them, are now losing weight, stopping medications, and feeling great. Sandy Bauers,, "Good fats, bad fats, and why the ketogenic diet matters," 13 July 2018 Cucumbers As every athlete knows (and dietitians can’t emphasize enough), hydration is crucial to athletic performance. NBC News, "8 summer superfoods to eat after a tough workout," 11 July 2018 Earlier this year, a registered dietitian was dispatched from the Walter Reed National Military Medical Center to consult with White House kitchen staff on reducing calories and fat in Trump's meals, according to a person familiar with the matter. Kevin Liptak, CNN, "Trump's weight-loss regimen: fish and half a bun," 30 May 2018 Functional medicine practitioners include physicians, nurse practitioners, dentists, registered dietitians and other healthcare professionals. Sheah Rarback, miamiherald, "Feeling poorly? Maybe your gut needs a tune up," 11 June 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

24 Sep 2018

Look-up Popularity

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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Comments on dietitian

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one that holds something together

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