polycyclic
/ˌpɑliˈsaɪklɪk/
adjective
- Having many rings or cycles, especially in chemistry (describing molecules with multiple ring structures).
- The chemist studied the properties of polycyclic compounds in the lab.
- Some polycyclic molecules are used in making dyes and plastics.
- Polycyclic aromatic hydrocarbons are found in smoke and car exhaust.