Definitions

1. noun

a white crystalline phenolic aldehyde used as a reagent in the detection of free phenols and as an intermediate in the synthesis of other organic compounds

“The chemist added guaiacol to the solution to test for the presence of free phenols.”

2. chemistry

a phenolic aldehyde used as a reagent in the detection of free phenols

“The researcher used guaiacol to detect free phenols in the sample.”

3. intermediate

an intermediate used in the synthesis of other organic compounds

“The chemist used guaiacol as an intermediate in the synthesis of phenolic compounds.”