Definitions for: Nutrition


[n] the scientific study of food and drink (especially in humans)
[n] a source of materials to nourish the body
[n] (physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance



Webster (1913) Definition: Nu*tri"tion, n. [Cf. F. nutrition. See
Nutritious.]
1. (Physiol.) In the broadest sense, a process or series of
processes by which the living organism as a whole (or its
component parts or organs) is maintained in its normal
condition of life and growth.

Note: In this wide sense it comprehends digestion,
absorption, circulation, assimilation, etc., in fact
all of the steps by which the nutritive matter of the
food is fitted for incorporation with the different
tissues, and the changes which it undergoes after its
assimilation, prior to its excretion. See Metabolism.

2. (Physiol.) 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.

3. That which nourishes; nutriment.

Fixed like a plant, on his peculiar spot, To draw
nutrition, propagate, and rot. --Pope.

Synonyms: aliment, alimentation, nourishment, nutriment, sustenance, victuals

See Also: biological process, course, dainty, delicacy, dish, fast food, finger food, food, goody, ingesta, kickshaw, kosher, meal, mess, milk, mince, nutrient, organic process, puree, repast, science, scientific discipline, stodge, treat, vitamin, vitamin pill, wheat germ

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