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nutrition

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nu⋅tri⋅tion

  [noo-trish-uhn, nyoo-]
–noun
1. the act or process of nourishing or of being nourished.
2. the science or study of, or a course of study in, nutrition, esp. of humans.
3. the process by which organisms take in and utilize food material.
4. food; nutriment.
5. the pursuit of this science as an occupation or profession.
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Origin:
1375–1425; late ME < LL nūtrītiōn- (s. of nūtrītiō) a feeding, equiv. to L nūtrīt(us) (ptp. of nūtrīre to feed, nourish ) + -iōn- -ion

Related forms:
nu⋅tri⋅tion⋅al, nu⋅tri⋅tion⋅ar⋅y, adjective
nu⋅tri⋅tion⋅al⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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nu·tri·tion   (nōō-trĭsh'ən, nyōō-)   
n.  

  1. The process of nourishing or being nourished, especially the process by which a living organism assimilates food and uses it for growth and for replacement of tissues.

  2. The science or study that deals with food and nourishment, especially in humans.

  3. A source of nourishment; food.


[Middle English nutricion, from Old French nutrition, from Late Latin nūtrītiō, nūtrītiōn-, from Latin nūtrītus, past participle of nūtrīre, to suckle; see (s)nāu- in Indo-European roots.]
nu·tri'tion·al adj., nu·tri'tion·al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

nutrition 
1551 (nutritive is recorded from c.1400), from L. nutritionem (nom. nutritio) "a nourishing," from nutrire "nourish, suckle" (see nourish). Nutritious is first attested 1665, from L. nutricius "that which nourishes, nurses," from nutrix (gen. nutricis) "a nurse," from nutrire. First record of nutritionist is from 1926.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: nu·tri·tion
Pronunciation: n(y)u-'trish-&n
Function: noun
: the act or process of nourishing or being nourished;specifically : the sum of the processes by which an animal or plant takes in and utilizes food substances —nu·tri·tion·al /-'trish-n&l,-&n-&l/ adjective —nu·tri·tion·al·ly /-E/ adverb
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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nutrition nu·tri·tion (n&oomacr;-trĭsh'ən, ny&oomacr;-)
n.

  1. The process by which a living organism assimilates food and uses it for growth, liberation of energy, and replacement of tissues; its successive stages include digestion, absorption, assimilation, and excretion.

  2. The science or study that deals with food and nourishment, especially in humans.

nu·tri'tion·al adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
nutrition   (n-trĭsh'ən)  Pronunciation Key 

  1. 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.

  2. 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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