释义 |
grapestone
grapestone (ˈɡreɪpˌstəʊn) n (Plants) a grapeseedgrapestone
grapestone[′grāp‚stōn] (geology) A cluster of sand-size grains, such as calcareous pellets, held together by incipient cementation shortly after deposition; the outer surface is lumpy, resembling a bunch of grapes. |