| 单词 | chemical garden |
| 释义 | > as lemmaschemical garden chemical garden n. an array of (often brightly coloured) crystals grown from a solution of sodium silicate to which metallic salts have been added.Typically created as a classroom or recreational chemistry experiment. ΚΠ 1885 Western Druggist 7 363/2 A Chemical Garden. C. T. Wood..inquires the chemical composition of a liquid mixture which upon standing forms beautiful crystals, taking the shape of ferns, etc. 1955 K. Hutton & A. Swallow Chem. for Gen. Sci. ix. 123 Water glass has a curious action on glass vessels and if you are going to make a ‘chemical garden’ it would be well to use a vessel which will not be needed again. 2001 O. Sacks Uncle Tungsten vii. 68 I later commandeered the kitchen table to make a ‘chemical garden’, sowing a syrupy solution of sodium silicate, or water-glass, with differently colored salts of iron and copper. < as lemmas |
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