extrados /ek-strāˈdos/ (architecture)

1. The convex surface of an arch
2. The external curve of the keystone of an arch

• Stenotype®
• stenotypies
• stenotypist
• stenotypists
• stenotypy
• stens
• stent
• stented
• stenting
• stentmaster
• stentmasters
• stentor
• stentorian
• stentors
• stentour
• stentours
• stents
• step
• step-
• step aerobics
• stepbairn
• stepbairns
• stepbrother
• stepbrothers
• step by step