di·e·tet·ics /-ˈtɛtɪks/
營養學
di·etet·ics /-ˈtɛtɪks/ 名詞
飲食學,膳食學
Di·e·tet·ics n. That part of the medical or hygienic art which relates to diet or food; rules for diet.
To suppose that the whole of dietetics lies in determining whether or not bread is more nutritive than potatoes. --H. Spencer.
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dietetics
n : the scientific study of food preparation and intake