the GNU version of the Collaborative International Dictionary of English
n. Faulty or imperfect nutrition; inadequate or unbalanced food intake.
The Century Dictionary and Cyclopedia
n. Imperfect nutrition; defect of sustenance from imperfect assimilation of food.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. 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."