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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A heterocyclic compound or ring.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon
  • n. a compound containing a heterocyclic ring


hetero- +‎ cycle (Wiktionary)



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