polycyclic

About 0.33 uses per million words.

Meaning

1. adjective Involving more than one cycle.
2. adjective Having two or more rings of atoms in the molecule.
3. adjective Having the members of a series, such as a calyx or corolla, in several circles.
4. noun A polycyclic compound.

Similar words

polynuclear petroleum aromatic hydrocarbon hydrocarbons musks polycyclical multicyclic bicyclic bicyclical

Often followed by

aromatic hydrocarbons aromatics hydrocarbon compounds organic systems and musks structures