octodecimo /ok-tō-desˈi-mō/

1. Having eighteen leaves to the sheet
2. Contracted 18mo, often read eighteenmo

A book with sheets so folded

• cymotrichies
• cymotrichous
• cymotrichy
• cymous
• Cymric
• Cymry
• cyn-
• cynanche
• cynanches
• cynegetic
• cynghanedd
• cynghanedds
• cynic
• cynical
• cynically
• cynicalness
• cynicalnesses
• cynicism
• cynicisms
• cynics
• Cynipidae
• Cynips
• cyno-
• Cynocephalus
• cynomolgi