| 单词 | lead crystal |
| 释义 | > as lemmaslead crystal lead crystal n. [crystal n. 4a] = lead glass n. below. ΘΚΠ society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > lead glass French paste1754 lead glass1856 lead crystal1902 1902 J. D. Everett & A. Everett tr. H. Hovestadt Jena Glass x. 364 Foerster recalls the fact that the resisting power of lead crystal glass to acids is increased by long-continued exposure to acids. Were it otherwise, the use of this material for wine glasses would long ago have been given up. 1968 Canad. Antiques Collector Dec. 19/2 When lead crystal came into fashion about 1800, it was possible to cut the glass in glittering facets. 1969 R. F. Lang tr. F. A. Henglein Chem. Technol. 835 Lead crystal contains lead (instead of Ca) and potassium and has high light refraction; it is much used in colored glasses. < as lemmas |
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