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

See also: membered

• Arabis glabra
• Arabis turrita
• Arabist
• arable
• Araceae
• araceous
• Arachis
• Arachis hypogaea
• arachnid
• Arachnida
• arachnidian
• arachniography
• arachnoid
• arachnoid membrane
• arachnology
• arachnophobia
• Arafat
• Arafura Sea
• Aragon
• aragonite
• Araguaia
• Araguaia River
• Araguaya
• Araguaya River
• arak