Definition of guaiacol in English:

guaiacol

Syllabification: guai·a·col
Pronunciation: /ˈgwīəˌkôl, -ˌkōl
 
/

noun

Chemistry
An oily yellow liquid with a penetrating odor, obtained by distilling wood tar or guaiac, used as a flavoring 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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