Home › Words › D › dieteticsdietetics/daɪəˈtɛtɪks/dietetics means the study of diet and nutrition in relation to health and disease.Among words judged in Lexicurio's Arena, dietetics ranks #23,641 of 42,802 for Qualifying.dietetics is pronounced /daɪəˈtɛtɪks/.EtymologySee dietetic + -ics.nounThe study of diet and nutrition in relation to health and disease.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.dietetic 78% match — Relating to diet. vs dietetics →dietology 77% match — The study of diets (nutritional regimes). vs dietetics →dietics 76% match — Synonym of dietetics. vs dietetics →dietitian 76% match — A person who studies or practices dietetics. vs dietetics →dietic 74% match — Relating to diet; dietetic. vs dietetics →dietical 71% match — dietetic vs dietetics →dietetist 70% match — A physician who applies the rules of dietetics to the cure of diseases. vs dietetics →dietetically 69% match — In a dietetic manner, using a diet or in the form of a diet. vs dietetics →