slick·en·side 
(slĭkən-sīd′)
(slĭkən-sīd′)n.
A polished, striated rock surface caused by one rock mass sliding over another in a fault plane.
[Dialectal slicken, glossy (alteration of SLICK) + SIDE.]
- conceive
- conceiver
- concelebrant
- concelebrate
- concelebration
- concenter
- concentrate
- concentration
- concentration camp
- concentration gradient
- concentrative
- concentratively
- concentrator
- concentric
- concentrical
- concentrically
- concentricity
- Concepción
- concept
- conceptacle
- concept art
- conception
- conceptional
- conceptive
- conceptively