catabolic

/ˌkætəˈbɑlɪk/
adjective
  1. Relating to the metabolic process in which complex molecules are broken down into simpler ones, releasing energy.
    • A prolonged fast can shift the body into a catabolic phase, using stored fat and protein.
    • During exercise, the body enters a catabolic state that breaks down muscle tissue for energy.
    • Catabolic reactions are essential for providing fuel for cellular activities.
Antonyms
What does "catabolic" mean? | whatsthatwordmean | whatsthatwordmean