heterocyclicPronunciation: /ˌhɛt(ə)rə(ʊ)ˈsʌɪklɪk, -ˈsɪklɪk/Definition of heterocyclic adjective Chemistry denoting a compound whose molecule contains a ring of atoms of at least two elements (one of which is generally carbon). heterocyclic in other Oxford dictionaries Definition of heterocyclic in the US English dictionary
