operon operettist • operose · · · Info · Definitions · Characters · · operon · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene. · · Noun Definition 1 Characters · · e latin small letter e U+0065 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