guaiacol
noun
guai·a·col
ˈg(w)ī-ə-ˌkȯl 
-ˌkōl
-ˌkōl
: a fragrant liquid or solid compound C7H8O2 obtained by distilling guaiacum or from wood-tar creosote or made synthetically and used chiefly as an expectorant and as a local anesthetic
Cite this Entry
“Guaiacol.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/guaiacol. Accessed 31 Oct. 2025.
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