octodecimo /ok-tō-desˈi-mō/

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

A book with sheets so folded

• melanuria
• melanurias
• melanuric
• melaphyre
• melaphyres
• melas
• Melastomaceae
• melastomaceous
• melatonin
• melatonins
• melba
• melba sauce
• melba toast
• meld
• melded
• melder
• melders
• melding
• melds
• Melia
• Meliaceae
• meliaceous
• Meliboean
• melic
• melic-grass