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) ;