WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods
Word Usage
"The latest survey of women's and children's health and nutrition, based on a survey of 23,000 households throughout the nation, reveals that a marked decrease in malnutrition is being replaced, unfortunately, by a higher incidence of obesity."