"nutrition" in the noun sense
1. nutrition
physiology) the organic process of nourishing or being nourished the processes by which an organism assimilates food and uses it for growth and maintenance
2. nutriment, nourishment, nutrition, sustenance, aliment, alimentation, victuals
a source of materials to nourish the body
3. nutrition
the scientific study of food and drink (especially in humans)
Source: WordNet® (An amazing lexical database of English)
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