|dīə|ted.]ik, -et], ]ēk adjective
also di·e·tet·i·cal ]ə̇kəl, ]ēk-\
Etymology: Late Latin diaeteticus, from Greek diaitētikos, from diaita diet + -ētikos -etic, -etical — more at diet
1. : of or relating to diet or the kind and quantity of food to be eaten
dietetic rules
: belonging to dietetics
dietetic studies
2. : adapted (as by elimination or sugar or salt) for use in special diets
dietetic sweets
a dietetic canned tuna