| 单词 | till-stone |
| 释义 | > as lemmastill-stone till-stone n. a fissile shale, in coalmines, etc. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > shale > others till1672 bass1686 bat1686 blue metal1699 scallop slate1711 black shale1730 shale-shiver1794 shale1825 till-stonec1830 Wenlock shale1834 famp1836 Boghead1858 oil shale1866 paper shale1874 symon1881 paste-rock1882 slasto1953 c1830 Glouc. Farm Rep. 4 in Libr. Useful Knowl., Husb. III A thin wet clay, of a most adhesive nature, covering the thin fissile till-stone. < as lemmas |
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