Definition of guaiac in English:

guaiac

noun

mass noun
  • Brown resin obtained from guaiacum trees, used as a flavouring and in varnishes.

    • ‘Mint flavoring compositions and wax-free gum bases are provided which are stabilized using gum guaiac, a naturally-occurring resin, as an antioxidant.’

Pronunciation

guaiac

/ˈɡwʌɪak/