octodecimo /ok-tō-desˈi-mō/

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

A book with sheets so folded

• egal
• egalitarian
• egalitarianism
• egalitarianisms
• egalitarians
• egalities
• egality
• egally
• egence
• egences
• egencies
• egency
• eger
• Egeria
• egers
• egest
• egesta
• egested
• egesting
• egestion
• egestions
• egestive
• egests
• egg
• egg-and-anchor