transcription, транскрипция: [ ˌhe-tə-rō-ˈsī-klik, -ˈsi- ]
adjective
Etymology: International Scientific Vocabulary
Date: 1899
: relating to, characterized by, or being a ring composed of atoms of more than one kind
• het·ero·cy·cle ˈhe-tə-rō-ˌsī-kəl noun
• heterocyclic noun