1. Of a chemical compound having a ring with eight members
   - 8-membered

See also: membered

• mental hygiene
• mental illness
• mental image
• mental imagery
• mental institution
• mental lexicon
• mental measurement
• mental note
• mental object
• mental picture
• mental process
• mental quickness
• mental rejection
• mental representation
• mental reservation
• mental retardation
• mental soundness
• mental state
• mental strain
• mental synthesis
• mental telepathist
• mental test
• mental testing
• mental unsoundness
• mentalism