| 单词 | cyanogen |
| 释义 | Word Frequency cyanogen(saɪˈænədʒɪn) noun an extremely poisonous colourless flammable gas with an almond-like odour: has been used in chemical warfare. Formula: (CN)2 Word origin C19: from French cyanogène; see cyano-, -gen; so named because it is one of the constituents of Prussian blue |
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