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

Liz Weinandy, an outpatient dietitian and clinical instructor at Ohio State University’s Wexner Medical Center, told AARP the diet tends to draw a specific audience. — Samantha Agate, Miami Herald, 25 July 2026

Here's what dietitians say to look for—and when reaching for a protein bar actually makes sense in everyday life. — Jess Cording, Forbes.com, 21 July 2026

Here’s what to know about coffee’s role in hydration and how much could be too much, according to registered dietitians. — Olivia McIntosh, Martha Stewart, 20 July 2026

Tart cherries naturally contain melatonin and antioxidant compounds called anthocyanins, which is why dietitians sometimes recommend a small glass in the evening as a gentler alternative to pills. — Lauren Jarvis-Gibson july 18, Fort Worth Star-Telegram, 18 July 2026

Word History

Etymology

dietitian irregular from diet entry 1 + -ician

First Known Use

circa 1846, in the meaning defined above

Rhymes for dietitian

• addition
• admission
• ambition
• attrition
• audition
• clinician
• cognition
• coition
• commission
• condition
• contrition
• dentition

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