单词 | chlorine |
释义 | chlorine/ˈklɔːriːn /noun [mass noun] The chemical element of atomic number 17, a toxic, irritant, pale green gas. (Symbol: Cl) The blue was fading to a dull chlorine green, the fuchsia sprouting roots of over an inch....
A member of the halogen group, chlorine occurs in nature mainly as sodium chloride in seawater and salt deposits. The gas was used as a poison gas in the First World War. Chlorine is added to water supplies as a disinfectant. OriginEarly 19th century: named by Sir Humphrey Davy, from Greek khlōros 'green' + -ine4. Rhymes |
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