n.
  - the process of ingesting and assimilating nutrients. 
▸food; nourishment.
 - the branch of science concerned with nutrients and their ingestion.
 
 
  Derivative
  
    - nutritional adj.
  - nutritionally adv.
  - nutritionist 
(also nutritionalist)
 n.
 
   
  Etymology
  ME: from late L. nutritio(n-), from nutrire ‘nourish’.