proteinase proteinaceous • protein crystal · · · Info · Definitions · Synonyms · Characters · · proteinase · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis. Synonyms: protease, peptidase, proteolytic enzyme. · · Noun Definition 1 Synonyms · · · protease · · Synonym 1 peptidase · · Synonym 2 proteolytic enzyme · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074