ˈg(w)īəˌkȯl, -kōl noun
( -s )
Etymology: guaiac um + English -ol
: a liquid or a crystalline solid CH 3 OC 6 H 4 OH with an aromatic odor ranging from colorless to yellowish in appearance and obtained by distilling guaiacum or from wood-tar creosote or synthetically and used chiefly as an expectorant and as a local anesthetic; ortho -methoxy-phenol