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malnutrition vs. undernutrition

[mal-noo-trish-uhn, -nyoo-] / ˌmæl nuˈtrɪʃ ən, -nyu- /

noun

  1. lack of proper nutrition; inadequate or unbalanced nutrition.

[uhn-der-noo-trish-uhn, -nyoo-] / ˌʌn dər nuˈtrɪʃ ən, -nyu- /

noun

  1. nutritional deficiency resulting from lack of food or from the inability of the body to convert or absorb it.