CATABOLISM By N., Pam M.S. - April 7, 2013 The part of our metabolism that breaks down complex molecules and releases energy. Compare anabolism. CATABOLISM: "Catabolism is a part of our metabolism that breaks down food." Related Psychology Terms BIOSYNTHESIS CATABOLISM ANABOLISM METABOLISM CALORIE BOUND ENERGY DECOMPOSITION MAOIS CATHEXIS ALLOSTERIC MODULATION Cite this page: N., Pam M.S., "CATABOLISM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/catabolism-2/ (accessed April 18, 2021).