In a more limited sense, the process by which the living tissues take up, from the blood, matters necessary either for their repair or for the performance of their healthy functions.

That which nourishes; nutriment.

A three-part process that gives the body the nutrients it needs. First, you eat or drink food. Second, the body breaks the food down into nutrients. Third, the nutrients travel through the bloodstream to different parts of the body where they are used as "fuel." To give your body proper nutrition, you have to eat or drink enough of the foods that contain key nutrients.

The process by which living creatures obtain energy from food and drink for the purpose of body growth and maintenance.

In the broadest sense, a process or series of processes by which a living organism as a whole (or its component parts or organs) is maintained in its normal condition of life and growth.

the intake by living organisms of matter which sustains its existence, promotes growth, replaces loss, and provides energy

a combination of processes by which a living organism receives and utilizes the materials necessary for the maintenance of its functions and for the growth and renewal of its components.