单词 | cement-stone |
释义 | > as lemmascement-stone cement-stone n. a nodule of argillaceous limestone occurring embedded in clay, from which cement is made. ΘΚΠ the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > concretionary or nodular > septarium septarium1748 turtle-stone1851 beetle-stone1859 cement-stone1863 1863 A. C. Ramsay Physical Geol. & Geogr. Great Brit. (1878) xxxv. 611 Cement stones are also found..in the Eocene strata. 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 824 The Blue Lias cement-stones are considered the strongest water-limes of this country. < as lemmas |
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