kinase kinah • kinbote · · · Info · Definitions · Characters · · kinase · · Text Latin · · Script 6 · · Length Definitions · · · (noun) an enzyme that catalyzes the conversion of a proenzyme to an active enzyme. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E s latin small letter s U+0073