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rimrock

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noun rim·rock \ˈrim-ˌräk\

Definition of rimrock

  1. 1 :  a top stratum or overlying strata of resistant rock of a plateau that outcrops to form a vertical face

  2. 2 :  the edge or face of a rimrock outcrop



1860

First Known Use of rimrock

1860


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a very small amount

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