コドンコドンMeanings1nouncodonA sequence of three nucleotides in DNA or RNA that corresponds to a specific amino acid or stop signal during protein synthesis. Used in molecular biology.遺い伝でん暗あん号ごうでは、各かくアミノ酸さんは一ひとつ以い上じょうのコドンによって指し定ていされる。In the genetic code, each amino acid is specified by one or more codons.