单词	guaiacol
释义	guaiacol /ˈɡwʌɪəkɒl / noun [mass noun] Chemistry An oily yellow liquid with a penetrating odour, obtained by distilling wood tar or guaiac, used as a flavouring and an expectorant. Alternative name: o-methoxyphenol; chemical formula: HOC6H4OCH3. The two main synthetic sources of synthetic vanillin are from guaiacol (chemical industry) and from lignin (paper industry).... Glyceryl ether of guaiacol, commonly known as guaifenesin, is present in multiple cough and cold preparations. Its synthetic counterpart, made from guaiacol or eugenol, is used in artificial vanillas. Origin Mid 19th century: from guaiacum + -ol.
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