D defs.my
Entry 1 sense Webster, 1913

catabolism

· IPA /kəˈtæbəlɪzm/
01 n. the breakdown of more complex substances into simpler ones with release of energy, in living organisms; destructive or downward metabolism;…
  1. 1.
    the breakdown of more complex substances into simpler ones with release of energy, in living organisms; destructive or downward metabolism; -- a form of metabolism, opposed to anabolism. See also Disassimilation. See: Disassimilation