nutrition

nutrition definition - medical

nu·tri·tion (no͞o-trĭshˈən)

noun
  1. The process by which living organisms obtain food and use it for growth, metabolism, and repair. Its stages include ingestion, digestion, absorption, transport, assimilation, and excretion.
  2. The science that deals with food and nourishment, including dietary guidelines, food composition, and the roles that various nutrients have in maintaining health.

Related Forms:

  • nu·triˈtion·al adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.