Any hard, coarse sedimentary rock that can be readily broken into thick slabs for use as paving, whetstones, etc.; = ragstone, n. 1. Formerly…
| 单词 | θ5897 |
| 释义 | the world > the earth > structure of the earth > constituent materials > stone > [noun] > hard stone > ragstone (3) rag1313 Any hard, coarse sedimentary rock that can be readily broken into thick slabs for use as paving, whetstones, etc.; = ragstone, n. 1. Formerly… ragstone1333 = rag, n.1 2. ferrilite1794 In the terminology of R. Kirwan: = Rowley rag, n. |
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