/ (ˌkɑːbəʊˈsaɪklɪk) /
(of a chemical compound) containing a closed ring of carbon atoms
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for carbocyclic
Carbocyclic rings will next be treated, benzene and its allies in some detail; and finally the heterocyclic nuclei.