slickenside

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noun slick·en·side \ˈsli-kən-ˌsīd\

Definition of slickenside

  1. :  a smooth often striated surface produced on rock by movement along a fault or a subsidiary fracture —usually used in plural

Origin and Etymology of slickenside

English dialect slicken smooth (from 2slick) + English side


First Known Use: 1822


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