transcription, транскрипция: [ pī-ˈri-mə-ˌdēn, pə- ]
noun
Etymology: International Scientific Vocabulary, alteration of pyridine
Date: 1885
1. : a feeble organic base C 4 H 4 N 2 of penetrating odor
2. : a derivative of pyrimidine ; especially : a base (as cytosine, thymine, or uracil) that is a constituent of DNA or RNA