n. [ Guaiacum + -ol. ] (Chem.) A colorless liquid, C7H8O2, with a peculiar odor. It is the methyl ether of pyrocatechin, and is obtained by distilling guaiacum from wood-tar creosote, and in other ways. It has been used in the past for treating pulmonary tuberculosis. [ Webster 1913 Suppl. ]
n. [ NL., fr. Sp. guayaco, from native name in Haiti. ] 1. (Bot.) A genus of small, crooked trees, growing in tropical America. [ 1913 Webster ]
2. The heart wood or the resin of the Guaiacum officinale or lignum-vitæ, a large tree of the West Indies and Central America. It is much used in medicine. [ Written also guaiac. ] [ 1913 Webster ]
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