NUTRITION
nutrition
(noun) the scientific study of food and drink (especially in humans)
nutriment, nourishment, nutrition, sustenance, aliment, alimentation, victuals
(noun) a source of materials to nourish the body
nutrition
(noun) (physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance
Source: WordNet® 3.1
Etymology
Noun
nutrition (usually uncountable, plural nutritions)
(biology) The organic process by which an organism assimilates food and uses it for growth and maintenance.
That which nourishes; nutriment.
Source: Wiktionary
Nu*tri"tion, n. Etym: [Cf. F. nutrition. See Nutritious.]
1. (Physiol.)
Definition: 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.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition