Definition of "dietetics" [di•e•tet•ics]

• The study of nutrition as it relates to health. Also called sitology. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Disclaimer: This suggestion is coming from a person who does not have a background in dietetics or exercise science."
• "The need for those experienced in dietetics as well as in medicine was immediately indicated and at that point Dr. McCreary -- an authority of international repute in dietetics -- was sent forward to survey the situation, to report and (more important) to act, so that those suffering humans might secure the maximum in hunger relief and medical attention with a minimum loss of time."
• "If the dietetics were appreciated but slowly, the social value of the coffee-house and the gymnasium, which were in the same building, were quickly demonstrated."