单词	formaldehyde
释义	formaldehyde /fɔːˈmaldɪhʌɪd / noun [mass noun] Chemistry A colourless pungent gas in solution made by oxidizing methanol. Alternative name: methanal; chemical formula: CH2O. Set on fire, these items release formaldehyde, polyvinyl chloride, and dioxins.... They are produced by the polymerization reaction of phenol and formaldehyde. Bleach, ethyl alcohol, and formaldehyde can kill the virus in the environment. Origin Late 19th century: blend of formic acid and aldehyde.
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