Poor nutrition because of an insufficient or poorly balanced diet or faulty digestion or utilization of foods.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "malnutrition" in a sentence
"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."
"Protein malnutrition is serious in developing areas."
"Protein malnutrition is widespread, especially among children, and many of its victims die or are maimed both physically and mentally for life."