heterocyclic

/ˌˈhɛdərəˌsaɪklɪk/

Definitions of heterocyclic

1. adjective

   containing a closed ring of atoms of which at least one is not a carbon atom
   synonyms:

   cyclic

   of a compound having atoms arranged in a ring structure
2. noun

   a compound containing a heterocyclic ring
   synonyms: heterocycle, heterocyclic compound

   types:

   chelate, chelate compound

   a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions

   type of:

   chemical compound, compound

   (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight