D defs.my
Entry 1 sense Webster, 1913

Dietetics

· Di·e·tet·ics · IPA /daɪəˈtɛtɪks/
01 n. That part of the medical or hygienic art which relates to diet or food; rules for diet.
  1. 1.
    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.