Definition of guaiacol in English:

guaiacol

Line breaks: guai|ac¦ol
Pronunciation: /ˈgwʌɪəkɒl
 
/

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
    More example sentences
    • 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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