katabolism katabolically • katabolite · · · Info · Definitions · Synonyms · Characters · · katabolism · · Text Latin · · Script 10 · · Length Definitions · · · (noun) breakdown in living organisms of more complex substances into simpler ones together with release of energy. Synonyms: catabolism, dissimilation, destructive metabolism. · · Noun Definition 1 Synonyms · · · catabolism · · Synonym 1 dissimilation · · Synonym 2 destructive metabolism · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074