di·​e·​ti·​tian | \ ˌdī-ə-ˈti-shən How to pronounce dietitian (audio) \
variants: or less commonly dietician

Definition of dietitian

: a specialist in dietetics

Examples of dietitian in a Sentence

Recent Examples on the Web TikTok can be uniquely insidious for young people, because of its video format and powerful algorithm, said Alyssa Moukheiber, a dietitian at Timberline Knolls, a treatment center outside of Chicago. Rob Barry, WSJ, 17 Dec. 2021 Our team dietitian is all about balance; there’s no real sense of restriction. Ali Francis, Bon Appétit, 13 July 2021 Hall Memorial Library is hosting a virtual cooking program for children and their families on Tuesday, March 2, from 5 to 6 p.m. Join Katie, registered dietitian from Food Explorers, to make the quickest homemade pizza of your life., 19 Feb. 2021 Gabriela Alfonso joins the organization as its minor league dietitian. Globe Staff,, 29 Jan. 2021 Evaluating the accuracy of Amazon’s fat measurement is difficult without a doctor or dietitian. Washington Post, 10 Dec. 2020 His wife of 45 years, a Kernan Hospital dietitian, died in 2009. Jacques Kelly,, 3 Dec. 2020 Physical therapist Jeff Lahti and team dietitian Rasa Troup, each of whom have worked on the major league staff for three seasons, will not return in 2021, the team confirmed. Phil Miller, Star Tribune, 13 Nov. 2020 Ginger Hultin, registered dietitian with the Academy of Nutrition and Dietetics and owner of ChampagneNutrition, told USA TODAY that there are upsides to the hard seltzer compared to other alcoholic drinks. Morgan Hines, USA TODAY, 4 Sep. 2020

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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Time Traveler for dietitian

Time Traveler

The first known use of dietitian was circa 1846

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Dictionary Entries Near dietitian



diet kitchen

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Statistics for dietitian

Last Updated

23 Dec 2021

Cite this Entry

“Dietitian.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2022.

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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 How to pronounce dietitian (audio) \

Medical Definition of dietitian

: a specialist in dietetics

More from Merriam-Webster on dietitian

Nglish: Translation of dietitian for Spanish Speakers


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