guai·​a·​col ˈg(w)ī-ə-ˌkȯl How to pronounce guaiacol (audio) -ˌkōl How to pronounce guaiacol (audio)
: 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

Dictionary Entries Near guaiacol

Cite this Entry

“Guaiacol.” Medical Dictionary, Merriam-Webster, Accessed 29 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

A Good Old-Fashioned Quiz

Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?