con·cav·i·ty 
(kŏn-kăvĭ-tē)
(kŏn-kăvĭ-tē)n. pl. con·cav·i·ties
1. The state of being curved like the inner surface of a sphere.
2. A surface or structure configured in such a curve.
- statesman
- statesmanlike
- statesmanly
- statesmanship
- states' righter
- states' rights
- States' Rights Party
- stateswoman
- statewide
- static
- statical
- statically
- static dump
- statice
- static electricity
- static friction
- staticky
- static memory
- static pressure
- static RAM
- static routine
- statics
- static tube
- statin
- station