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katabolism
From The Collaborative International Dictionary of English v.0.48:
Katabolism \Ka*tab"o*lism\, n. [Gr. ? down + ? to throw.] (Physiol.) Destructive or downward metabolism; regressive metamorphism; same as catabolism (now the more common spelling); -- opposed to anabolism. See Disassimilation. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
catabolism \catabolism\ n. 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. [Formerly spelled katabolism.] Syn: katabolism, dissimilation, destructive metabolism. [WordNet 1.5]
