junk dna junk dealer • junk e-mail · · · Info · Definitions · Characters · · junk dna · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) stretches of DNA that do not code for genes. Synonyms: junk DNA. Example: "Most of the genome consists of junk dna." · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 j latin small letter j U+006A k latin small letter k U+006B n latin small letter n U+006E u latin small letter u U+0075