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dietician

British  
/ ˌdaɪɪˈtɪʃən /

noun

  1. a person who specializes in dietetics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Explanation

A dietician is an expert in the field of food and nutrition. A dietician is like a physician for your diet. People who study food in a scientific way are dieticians — they are experts on food and its effects. Dieticians study nutrition, which is the science that looks at what good and bad things various foods do to your body. If you need to change what you eat because of a health problem, like diabetes or obesity, you should consult a dietician. It’s also spelled dietitian.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She keeps regular appointments with her endocrinologist, primary care provider, dietician and pharmacist at MLK Community Medical Group, the outpatient arm of MLK Community Healthcare.

From Los Angeles Times • Jun. 14, 2026

The SoR is now calling for sonographer to become a protected job title in the UK in the same way as dietician, podiatrist, art therapist or radiographer.

From BBC • Nov. 2, 2025

What Caroline Susie, a registered dietician and the spokesperson for the Academy of Nutrition and Dietetics, told me makes me wish I had a time machine: “Osteoporosis is a childhood disease with adult consequences.”

From Slate • Feb. 27, 2025

Dr Adrian Brown, specialist dietician and senior research fellow at University College London, says demonising one type of food isn’t helpful, especially when what and how we eat is such a complicated issue.

From BBC • Jul. 27, 2024

He was after all a Mason, an Elk, a naval dietician and the first Negro deacon in the Lutheran church.

From "I Know Why the Caged Bird Sings" by Maya Angelou

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