| 单词 | ball clay |
| 释义 | > as lemmasball clay ball clay n. a very adhesive, plastic clay; spec. a fine-textured kaolinitic clay, found in south-western England and in other parts of the world, which is used in the manufacture of earthenware; a type of this. ΘΚΠ society > occupation and work > materials > raw material > clay > [noun] > for making pottery > types of white claya1387 bottle clay1686 porcelain clay1690 blue clay1698 tasco1726 kaolin1728 capital1738 unaker1744 saggar1786 ball clay1811 Cornish clay1829 china-clay1840 Poole clay1875 bleaching-clay1881 pâte1890 virgin clay1891 1811 W. Aiton Gen. View Agric. Ayr 27 If steril and adhesive, it is sometimes termed strong or ball-clay. 1865 E. Meteyard Life J. Wedgwood iv. 140 The imported clay was used as a wash, previously to firing. This was called ‘Ball clay’..from being made up in heaps weighing sixty or seventy pounds each. 1903 Daily Mail 7 Sept. 5/5 They are the only mines in the world that produce the ‘ball clay’, without which the manufacture of earthenware is impossible. 1968 Radio Times 2 May 17/2 Digging for valuable ball clay makes ugly scars across the Devon countryside. 2000 Ceramic Rev. Jan. 56/1 Materials like feldspars, ball clays,..etc., are mined from different locations and so the composition can vary. < as lemmas |
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