catabolism catabolin • catabolite · · · Info · Definitions · Synonyms · Antonyms · Characters · · catabolism · · Text Latin · · Script 10 · · Length Definitions · · · (noun) breakdown in living organisms of more complex substances into simpler ones together with release of energy. Synonyms: katabolism, dissimilation, destructive metabolism. · · Noun Definition 1 Synonyms · · · katabolism · · Synonym 1 dissimilation · · Synonym 2 destructive metabolism · · Synonym 3 Antonyms · · · anabolism · · Antonym 0 constructive metabolism · · Antonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 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