cyanogen
/saɪˈænədʒɪn/noun
mass noun
1- Chemistry a colourless flammable highly poisonous gas made by oxidizing hydrogen cyanide. One of the pseudohalogens, cyanogen is an intermediate in fertilizer manufacture【化】氰。
1.1
- Chem. formula: C2N2.化学分子式： C2N2.
词源
early 19th cent.: from French cyanogène, from Greek kuanos 'dark blue mineral' + -gène （see -GEN）, so named because it is a constituent of Prussian blue.