slickenside

noun

slick·​en·​side ˈsli-kən-ˌsīd How to pronounce slickenside (audio)
: a smooth often striated surface produced on rock by movement along a fault or a subsidiary fracture
usually used in plural

Example Sentences

Recent Examples on the Web The 150-foot-long and 75-foot-tall surface is one of the largest chert slickensides exposures in California. Thomas Graham, SFChronicle.com, 28 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'slickenside.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

English dialect slicken smooth (from slick entry 1) + English side

First Known Use

1822, in the meaning defined above

Time Traveler
The first known use of slickenside was in 1822

Dictionary Entries Near slickenside

Cite this Entry

“Slickenside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/slickenside. Accessed 31 Jan. 2023.

More from Merriam-Webster on slickenside

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY