| 单词 | saturn's tree |
| 释义 | > as lemmasSaturn's tree Saturn's tree n. now rare a branching crystalline mass of lead deposited from a solution of a lead salt; = lead-tree n. (b) at lead n.1 Compounds 3a. [Translating post-classical Latin arbor Saturni (1804 or earlier).] ΚΠ 1854 F. A. Abel & C. L. Bloxam Hand-bk. Chem. 505 The so called Saturn's tree is obtained by suspending a bundle of zinc-turnings in a solution of acetate of lead. 1897 Electr. Engineer 19 Nov. 646/1 The production of lead in a spongy form by the action of zinc upon a solution of the former metal, resulting in the arborescent crystals commonly known as Saturn's tree. 1989 New Scientist 23 Dec. 59/1 The alchemical legacy allows chemists, for example, to talk of Saturn's tree, which is a branched mass of lead deposited from a solution of a lead salt. < as lemmas |
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