Definition of nutrition

< nutriment

nutritionist >

nu·tri·tion    (n-trshn, ny-) KEY 

NOUN:

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.

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ETYMOLOGY:
Middle English nutricion, from Old French nutrition, from Late Latin ntrti, ntrtin-, from Latin ntrtus, past participle of ntrre, to suckle; see (s)nu- in Indo-European roots

OTHER FORMS:
nu·trition·al(Adjective), nu·trition·al·ly(Adverb)