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nutrition

[ noo-trish-uhn, nyoo- ]
/ nuˈtrɪʃ ən, nyu- /
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See synonyms for: nutrition / nutritional on Thesaurus.com

noun

the act or process of nourishing or of being nourished.
the science or study of, or a course of study in, nutrition, especially of humans.
the process by which organisms take in and utilize food material.
food; nutriment.
the pursuit of this science as an occupation or profession.

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Origin of nutrition

1375–1425; late Middle English <Late Latin nūtrītiōn- (stem of nūtrītiō) a feeding, equivalent to Latin nūtrīt(us) (past participle of nūtrīre to feed, nourish) + -iōn--ion
nu·tri·tion·al, nu·tri·tion·ar·y, adjectivenu·tri·tion·al·ly, adverbhy·per·nu·tri·tion, nounsu·per·nu·tri·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for nutrition

nutrition
/ (njuːˈtrɪʃən) /

noun

a process in animals and plants involving the intake of nutrient materials and their subsequent assimilation into the tissuesRelated adjectives: alimentary, trophic
the act or process of nourishing
the study of nutrition, esp in humans
nutritional or rare nutritionary, adjectivenutritionally, adverb
C16: from Late Latin nūtrītiō, from nūtrīre to nourish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nutrition

nutrition
[ nōō-trĭshən ]

n.

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.
The science that deals with food and nourishment, including dietary guidelines, food composition, and the roles that various nutrients have in maintaining health.
nu•trition•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for nutrition

nutrition
[ nōō-trĭshən ]

The process by which living organisms obtain food and use it for growth, metabolism, and repair. The stages of nutrition include ingestion, digestion, absorption, transport, assimilation, and excretion.
The scientific study of food and nourishment, including food composition, dietary guidelines, and the roles that various nutrients have in maintaining health.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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