| 单词 | Prussian blue |
| 释义 | Prussian blue 1. a moderate to deep greenish blue. 2. one of the iron blues, a dark-blue, crystalline, water-insoluble pigment, Fe4[Fe(CN)6]3, produced by reacting ferrocyanic acid or a ferrocyanide with a ferric compound: used in painting, fabric printing, and laundry bluing. [1715-25; trans. of F bleu de Prusse, so called because it was discovered and first reported in Berlin, capital of Prussia] |
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