noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A paper treated with alpha-guaiaconic acid, used in tests to detect blood in the faeces. countable, uncountable
2. 2
   hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum wordnet
3. 3
   Guaiacum (tree, wood or resin of the guaiacum tree) countable, uncountable
4. 4
   Guaiacol. countable, uncountable
5. 5
   Oil of guaiac, a fragrance ingredient used in soap and perfumery distilled from the palo santo tree. countable, uncountable

Synonyms

All synonyms

guaiacumlignum vitaelignum vitaeresin

Related phrases

alpha guaiaconic acid

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.