im·pe·ri·um 
(ĭm-pîrē-əm)
(ĭm-pîrē-əm)n. pl. im·pe·ri·a (-pîrē-ə)
1. Absolute rule; supreme power.
2. A sphere of power or dominion; an empire.
[Latin; see EMPIRE.]
- stationary bicycle
- stationary front
- stationary orbit
- stationary satellite
- stationary wave
- station break
- stationer
- stationery
- station house
- stationhouse
- stationmaster
- Stations of the Cross
- station wagon
- statism
- statist
- statistic
- statistical
- statistically
- statistical mechanics
- statistician
- statistics
- stative
- stato-
- statoblast
- statocyst