Source : Webster's Revised Unabridged Dictionary (1913)

Creosol \Cre"o*sol\ (kr?"?-s?l), n. [Cresote + phenol.] (Chem.)
   A colorless liquid resembling phenol or carbolic acid,
   homologous with pyrocatechin, and obtained from beechwood tar
   and gum guaiacum. [Written also {creasol}.]