释义 |
dropstone
dropstone (ˈdrɒpˌstəʊn) n1. (Geological Science) obsolete an old name for stalactites2. geology an isolated rock fragment deposited in sedimentary rock through the water columndropstone
dropstone[′dräp‚stōn] (geology) A rock that was carried by a glacier or iceberg, and deposited as the ice melted. |