dietetics
noun
di·e·tet·ics
ˌdī-ə-ˈte-tiks 
plural in form but singular or plural in construction
: the science or art of applying the principles of nutrition to the diet
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“Dietetics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dietetics. Accessed 17 Sep. 2025.
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dietetics
noun, plural in form but singular or plural in construction
di·etet·ics
-ˈtet-iks
: the science or art of applying the principles of nutrition to feeding
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