adj.
Pronunciation: ˌ he-t ə -r ō - ' s ī -klik, - ' si-
Function: 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 \ ' he-t ə -r ō - ˌ s ī -k ə l \ noun
– heterocyclic noun