Nutrition

Nu*tri"tion

(?), n. [Cf. F. nutrition. See Nutritious.] 1. (Physiol.) 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.
[1913 Webster]

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.
[1913 Webster]

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.
[1913 Webster]

3. That which nourishes; nutriment.
[1913 Webster]

Fixed like a plant, on his peculiar spot,
To draw nutrition, propagate, and rot.
Pope.
[1913 Webster]

 

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Sat 15th December 2018