Main Entry: au·to·ca·tal·y·sis Pronunciation: "ot-O-k&-'tal-&-s&s Function: noun Inflected Form: pluralau·to·ca·tal·y·ses/-"sEz/ : catalysis of a reaction by one of its products called also autoactivation —au·to·cat·a·lyt·ic/-"kat-&l-'it-ik/adjective —au·to·cat·a·lyt·i·cal·ly/-i-k(&-)lE/adverb