Heterocyclic
[,hetәrәu'saiklik]
Definition
(adj.) containing a closed ring of atoms of which at least one is not a carbon atom .
Inputed by Cecile--From WordNet
[,hetәrәu'saiklik]
(adj.) containing a closed ring of atoms of which at least one is not a carbon atom .
Inputed by Cecile--From WordNet