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Related to dietetically: Dietetic food
1. Of or relating to diet or its regulation.
2. Specially prepared or processed for restrictive diets.
[Late Latin diaetēticus, from Greek diaitētikos, from diaita, diet; see diet1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.