Malnutrition n. : Faulty or imperfect nutrition.

Example:


Taxonomy
malnutrition, food, hunger, nutrition, developing countries, insulin resistance, food prices, diet, Cancer, breastfeeding, causes of malnutrition, child malnutrition, households, feed, insulin, micronutrients, undernourishment, Malnutrition rates.

Defination from the web:
malnutrition. ... According to the World Health Organization, malnutrition is by far the biggest contributor to child mortality. ...