| 单词 | metal stone |
| 释义 | > as lemmasmetal stone metal stone n. †(a) the ore of a metal (obsolete); (b) a combination of shale and sandstone (now rare). ΘΚΠ the world > the earth > minerals > ore > [noun] > metal ore metal orea1387 metal stone1612 thracksat1678 minera1755 1612 S. Sturtevant Metallica ii. 35 Prepared or roasted oares, Mine-stones, or Mettle-stones beeing the fitt matter of Metallique liquours. 1699 Philos. Trans. (Royal Soc.) 21 73/1 Thomas Waike bored for Coal..in grey metal Stone two yards and two quarters. 1799 E. Darwin Bot. Garden (ed. 4) I. xxiii. figure facing p. 375 Soft Blue Metal Stone..Grey Metal Stone..Black Metal Stone with hard Girdles..Blue Metal Stone. 1804 J. Parkinson Org. Remains Former World I. xvi. 170 Iron-stone, called also metal-stone, and by the Scotch colliers dogger band, is a stratum, which is generally next above the roof of the coal. 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 36 Metal Stone, a mixture of shale with sandstone. 1953 W. J. Arkell & S. I. Tomkeieff Eng. Rock Terms 75/2 Metal-stone, sandy shale or shaly sandstone. < as lemmas |
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