Severe weakness and wasting as occurs from lack of food, defect in assimilation, or neoplastic disease. [L. inanis, empty]
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in·a·ni·tion .in-ə-'nish-ən n the exhausted condition that results from lack of food and water
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n.
a condition of exhaustion caused by lack of nutrients in the blood. This may arise through starvation, malnutrition, or intestinal disease.
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in·a·ni·tion (in″ə-nishґən) [L. inanis empty] marked weakness, extreme weight loss, and decreased metabolism due to prolonged severe insufficiency of food (starvation).Medical dictionary. 2011.