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dietetics

noun [U]
 
 
/ˌdaɪ.əˈtet.ɪks/ US  /-ˈtet̬-/

Definition

the scientific study of the food that people eat and its effects on healthDiets and dietingMedical studies and the people who study them
(Definition of dietetics noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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