slickenside

[ slik-uh n-sahyd ]
/ ˈslɪk ənˌsaɪd /

noun Geology.

a rock surface that has become more or less polished and striated by slippage along a fault plane.

Origin of slickenside

First recorded in 1760–70; slick2 + -en3 + side1

British Dictionary definitions for slickenside

slickenside
/ (ˈslɪkənˌsaɪd) /

noun

a rock surface with a polished appearance and fine parallel scratches caused by abrasion during fault displacement

Word Origin for slickenside

C18: from dialect slicken, variant of slick + side

Scientific definitions for slickenside

slickenside
[ slĭkən-sīd′ ]

A polished, striated rock surface formed by one rock mass sliding over another in a fault plane.