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.
While eating the skin might seem unusual, dietitians say the peel contains valuable nutrients many of us throw away. Kathleen Ferraro, Verywell Health, 29 Oct. 2025 Halloween doesn’t scare dentists or dietitians. Angela Haupt, Time, 28 Oct. 2025 The researchers produced 59 recommendations from the 75 studies, consulting with a panel of experts that included dietitians, a nutritionist, gastroenterologist, gut physiologist and GP. New Atlas, 26 Oct. 2025 South Carolina dietitian-nutritionist Lauren Manaker told Fox News Digital that the health benefits of matcha tend to fade when mixed with liquor. Peter Burke, FOXNews.com, 23 Oct. 2025 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 1 Nov. 2025.

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

More from Merriam-Webster on dietitian

Last Updated: - Updated example sentences
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