Meanings
nounguaiac (countable and uncountable, plural guaiacs)
plural guaiacs
- countableuncountablemedicineA paper treated with alpha-guaiaconic acid, used in tests to detect blood in the faeces.
- countableuncountableGuaiacum (tree, wood or resin of the guaiacum tree)
- countableuncountableGuaiacol.
- countableuncountableOil of guaiac, a fragrance ingredient used in soap and perfumery distilled from the palo santo tree.
Synonyms & antonyms
nounhard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
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Synonym sets from Open English WordNet, CC BY 4.0.
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Cite this entry
APA
guaiac. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/guaiac
MLA
“guaiac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/guaiac. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “guaiac,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/guaiac.
Source: guaiac on Wiktionary, CC BY-SA 4.0.