Wordnet 3.0
NOUN (1)
1.
the scientific study of food preparation and intake;
The Collaborative International Dictionary of English v.0.48:
Dietetics \Di`e*tet"ics\, n.
That part of the medical or hygienic art which relates to
diet or food; rules for diet.
[1913 Webster]
To suppose that the whole of dietetics lies in
determining whether or not bread is more nutritive than
potatoes. --H. Spencer.
[1913 Webster]
WordNet (r) 3.0 (2006):
dietetics
n 1: the scientific study of food preparation and intake
Moby Thesaurus II by Grady Ward, 1.0:
27 Moby Thesaurus words for "dietetics":
acid-ash diet, allergy diet, bland diet, calorie chart,
calorie counter, diabetic diet, diet, diet book, dietary, dieting,
dietotherapy, enzymology, high-protein diet, high-vitamin diet,
low-carbohydrate diet, low-salt diet, macrobiotic diet, pap,
regime, regimen, salt-free diet, soft diet, spoon victuals,
ulcer diet, vegetarianism, vitamin-deficiency diet, vitaminology