| 单词 | potter's clay |
| 释义 | > as lemmaspotter's clay Clay consists mainly of aluminium silicate, and is derived mostly from the decomposition of feldspathic rocks. The various beds are distinguished geologically as boulder clay, Kimmeridge clay, London clay, Oxford clay, Purbeck clay, etc. Particular kinds of clay are known as brick clay, fatty clay, plastic clay, porcelain clay, and potter's clay; pipe-clay, etc. Cf. fireclay n.extracted from clayn.potter's clay potter's clay n. highly plastic clay, typically free from iron, that is suitable for making earthenware, stoneware, and porcelain. ΘΚΠ society > occupation and work > materials > raw material > clay > [noun] > for making pottery eartha1350 potter's clay?a1425 potter's earth1440 pot earth?a1450 argil1530 pot clay1674 throwing clay1686 figuline1859 pottery clay1869 ?a1425 MS Hunterian 95 f. 159v (MED) He schal take..as muche of potters cley oþer of oþer cleie as sufficeþ to þe oynement be as þicke as honye. 1600 R. Surflet tr. C. Estienne & J. Liébault Maison Rustique vi. ii. 731 Sandie, stonie, grauelly, and flintie ground, as also such as consisteth of a potters claie in the bottome. 1794 R. Kirwan Elements Mineral. (ed. 2) I. 180 Potter's Clay. Colour, generally greyish white, and then called pipe clay. 1872 H. T. Ellacombe Church Bells Devon Pref. 4 Plaster of Paris casts, made from ‘squeezes’ taken..with potter's clay. 1883 Gringo & Greaser 1 Dec. 1/1 We have also gypsum (plaster of paris) beds, sulphur deposits and beds of kaolin or potters clay. 1911 Jrnl. Royal Anthropol. Inst. 41 263 These ingredients improve the quality of true potter's clay considerably, not merely making it more plastic, but preventing the vessels from cracking afterwards in the fire. 1994 Jrnl Field Archaeol. 21 311/1 The resulting pit could then serve for storage of grain..or such valuables as grinding stones, potter's clay, or casting molds. < as lemmas |
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