dietitian

noun

di·​e·​ti·​tian ˌdī-ə-ˈti-shən 

variants or less commonly dietician

: a specialist in dietetics

Examples of dietitian in a Sentence

Recent Examples on the Web

Tofu Oatmeal doesn’t have to be sweet, Abigail Collen, MS, RD, CDN, a dietitian at Mount Sinai, told Verywell. —Maggie O'Neill, Verywell Health, 24 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

The practice can be especially beneficial for people who have diabetes or pre-diabetes, Jessica Hernandez, a registered dietitian wrote in an article for Ohio State University’s health blog. —Renée Onque, CNBC, 22 Oct. 2025

Here’s what three dietitians had to say about how to choose between broccoli and Brussels sprouts for maximum antioxidant benefits. —Danielle Zickl, Health, 20 Oct. 2025

Word History

Etymology

dietitian irregular from diet entry 1 + -ician

First Known Use

circa 1846, in the meaning defined above

Rhymes for dietitian

• abolition
• acquisition
• admonition
• ammunition
• apparition
• apposition
• coalition
• competition
• composition
• definition
• deglutition
• demolition

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

ˌdī-ə-ˈtish-ən 

: a specialist in dietetics