bicyclic

== English == === Etymology === From bi- +‎ cyclic. === Adjective === bicyclic (not comparable) Having two cycles. (organic chemistry) Having two rings of atoms in the molecule; the rings may be fused, as in naphthalene, or separate, as in biphenyl. ==== Derived terms ==== ==== Related terms ==== azabicyclic monocyclic tricyclic polycyclic === Noun === bicyclic (plural bicyclics) (physical chemistry, organic chemistry) A bicyclic compound.