Illustrated Glossary of Organic Chemistry

Bicyclic: A cyclic molecule containing two rings.

Naphthalene, a bicyclic molecule containing two fused benzene rings.


Bicyclo[2.2.1]heptane, a bridged bicyclic molecule.


Spiro[2.3]hexane, a bicyclic molecule containing a cyclopropane ring and a cyclobutane ring.