Search Result for "heterocyclic ring":
Wordnet 3.0

NOUN (1)

1. a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon;
[syn: heterocyclic ring, heterocycle]



WordNet (r) 3.0 (2006):

heterocyclic ring
    n 1: a ring of atoms of more than one kind; especially a ring of
         carbon atoms containing at least one atom that is not
         carbon [syn: heterocyclic ring, heterocycle]