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

See also: membered

• abasia
• abasia trepidans
• abasic
• abatable
• abatable nuisance
• abate
• abatement
• abatement of a nuisance
• abatic
• abatis
• abator
• abattis
• abattoir
• abaxial
• abaxially
• abaya
• abb
• Abba
• abbacy
• abbatial
• Abbe condenser
• abbess
• abbey
• abbot
• Abbott Lawrence Lowell