A form of malnutrition resulting from a reduced supply of food or from inability to digest, assimilate, and utilize the necessary nutrients.
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un·der·nu·tri·tion -n(y)u̇-'trish-ən n deficient bodily nutrition due to inadequate food intake or faulty assimilation called also hyponutrition
un·der·nu·tri·tion·al -əl adj
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un·der·nu·tri·tion (un″dər-noo-trishґən) malnutrition due to inadequate food supply or to inability to metabolize or use necessary food elements.Medical dictionary. 2011.