1. Of a chemical compound having a ring with seven members
   - 7-membered

See also: membered

• Dieffenbachia
• Dieffenbachia sequine
• diegesis
• Diego Rivera
• Diego Rodriguez de Silva y Velazquez
• Diegueno
• diehard
• dielectric
• dielectric heating
• dielectrolysis
• diemaker
• Dien Bien Phu
• diencephalon
• diene
• dieresis
• Diervilla
• Diervilla lonicera
• Diervilla sessilifolia
• Dies Irae
• diesel
• diesel engine
• diesel fuel
• diesel locomotive
• diesel motor
• diesel oil