[slik-uh n-sahyd]

noun Geology.

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

Nearby words

  1. sliced,
  2. slicer,
  3. slick,
  4. slick as a whistle,
  5. slicken,
  6. slicker,
  7. slickly,
  8. slickrock,
  9. slickster,
  10. slid

Origin of slickenside

First recorded in 1760–70; slick2 + -en3 + side1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for slickenside



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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for slickenside



A polished, striated rock surface formed by one rock mass sliding over another in a fault plane.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.