arkose

play
noun ar·kose \ˈär-ˌkōs, -ˌkōz\

Definition of arkose

  1. :  a sandstone characterized by feldspar fragments that is derived from granite or gneiss which has disintegrated rapidly

arkosic

play \(ˌ)är-ˈkō-sik, -zik\ adjective

Origin and Etymology of arkose

French


First Known Use: 1829


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