| 单词 | mother stone |
| 释义 | > as lemmasmother stone ΘΚΠ the world > the earth > minerals > mineral sources > [noun] > material containing ore > matrix miner?a1425 mother stone1442 minera?1645 matrix1651 mother-spar1681 veinstone1696 gangue1778 veinstuff1796 gangart1799 matrice1855 cement1881 skarn1901 1442 in R. Willis & J. W. Clark Archit. Hist. Univ. Cambr. (1886) I. 386 Cariage of xviij lodis of modrestone. 1777 A. Young in A. Hunter et al. Georgical Ess. (new ed.) ii. iv. 391 Its abounding with the stone, called, in Hertfordshire, Mother-stone, (a concretion of many small blue pebbles). 1794 R. Kirwan Elements Mineral. (ed. 2) I. 433 Granite..is the mother-stone, by whose fusion basalt is produced. 1799 J. Robertson Gen. View Agric. Perth 17 Which some farmers call motherstone soil. 1855 J. R. Leifchild Cornwall: Mines & Miners 91 Quartz generally prevails in the matrix (mother stone). < as lemmas |
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