cyclograph /sīˈklō-gräf or sīˈklə-/

1. An instrument for describing arcs of circles without compasses, an arcograph
2. A camera that can reproduce the whole surface of a cylindrical object as a single photograph

• opinionatedly
• opinionatedness
• opinionately
• opinionative
• opinionatively
• opinionativeness
• opinionator
• opinionators
• opinioned
• opinionist
• opinionists
• opinion poll
• opinion polls
• opinions
• opioid
• opioids
• opisometer
• opisometers
• opisth-
• opistho-
• opisthobranch
• Opisthobranchia
• opisthobranchs
• opisthocoelian
• opisthocoelous