| CI | the circle that touches a curve (on the concave side) and whose radius is the radius of curvature |
|---|---|
| CI | a ring of arteries at the base of the brain |
| CI | move around in a circular motion |
| CI | decorated metal band worn around the head |
| CI | moving in a circle |
| CI | movement once around a course |
| CI | a journey or route all the way around a particular place or area |
| CI | an electrical device that provides a path for electrical current to flow |
| CI | (British) a racetrack for automobile races |
| CI | (law) a judicial division of a state or the United States (so-called because originally judges traveled and held court in different locations) |
| CI | an established itinerary of venues or events that a particular group of people travel to |
| CI | make a circuit |