octodecimo /ok-tō-desˈi-mō/

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

A book with sheets so folded

• relativism
• relativisms
• relativist
• relativistic
• relativistically
• relativists
• relativities
• relativitist
• relativitists
• relativity
• relativity of knowledge
• relativization
• relativize
• relativized
• relativizes
• relativizing
• relator
• relators
• relaunch
• relaunched
• relaunches
• relaunching
• relax
• relaxant
• relaxants