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1. the gradual deterioration of an individual, usually with loss of strength and muscle mass; it may be accompanied by loss of appetite, which makes it worse.
2. excessive depletion.
wasting disease any disease marked especially by progressive emaciation and weakness.
inappropriately large renal excretion of salt despite the apparent need of the body to retain it.
inappropriate sodium excretion in the urine (natriuresis) with hyponatremia and hyperkalemia. See also salt-losing nephritis.
salt wast·ing(sawlt wāst'ing)
Inappropriately large renal excretion of salt despite the apparent need of the body to retain it.