| 单词 | verdigris |
| 释义 | Word Frequency verdigris(ˈvɜːdɪɡrɪs) noun 1. a green or bluish patina formed on copper, brass, or bronze and consisting of a basic salt of copper containing both copper oxide and a copper salt 2. a green or blue crystalline substance obtained by the action of acetic acid on copper and used as a fungicide and pigment; basic copper acetate Word origin C14: from Old French vert de Grice green of Greece |
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