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Meaning of guaiacol

guai•a•col

Pronunciation: (gwī'u-kōl", -kôl"), [key]
— n. Pharm.
  1. a slightly yellowish, aromatic, crystalline substance, CHO, resembling creosote and usually obtained from guaiacum resin: used in medicine chiefly as an expectorant and local anesthetic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.