adjective Etymology: International Scientific Vocabulary Date: 1899 relating to, characterized by, or being a ring composed of atoms of more than one kind, heterocycle noun ~ noun
HETEROCYCLIC
Meaning of HETEROCYCLIC in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012