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From The Collaborative International Dictionary of English v.0.48:
catabolic \catabolic\ adj. [Formerly spelled katabolic.] 1. Of or pertaining to catabolism; as, catabolic processes, which give rise to substances (katastates) of decreasing complexity and increasing stability. [1913 Webster + WordNet 1.5] 2. characterized by destructive metabolism; contrasted with anabolic. [WordNet 1.5]