heterocycle

Noun
  1. A compound containing a heterocyclic ring (synset 115049964)
    is a type of: chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
    subtypes: chelate, chelate compound - a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions
    same as: heterocyclic, heterocyclic compound
  2. A ring of atoms of more than one kind;
    Especially a ring of carbon atoms containing at least one atom that is not carbon (synset 109325306)
    is a type of: closed chain, ring - (chemistry) a chain of atoms in a molecule that forms a closed loop
    same as: heterocyclic ring

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