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单词 kieselguhr
释义 kieselguhr|ˈkiːz(ə)lguːr|
[Ger. (named by Ehrenberg), f. kiesel gravel, chesil1 + guhr.]
An earth composed of the siliceous remains of diatoms, used as an absorbent of nitroglycerine in the manufacture of dynamite; diatomite.
1875Ure's Dict. Arts II. 176 A porous, infusorial, silicious earth known in Germany as ‘Kieselguhr’.Ibid., None of these [absorbents] appeared thoroughly equal to Kieselguhr in their power of retaining a very large proportion of the oil.1885Martindale & Westcott Extra Pharmacop. (ed. 4) 226 Kieselguhr, a diatomaceous earth, known as white peat.
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更新时间:2024/12/22 13:25:53