guaiacol Syllabification: (guai·a·col)Pronunciation: /ˈgwīəˌkôl, -ˌkōl/Definition of guaiacol 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 Origin: mid 19th century: from guaiacum + -olguaiacol in other Oxford dictionaries Definition of guaiacol in the British & World English dictionary
