| 释义 |
birch tar oil
birch tar oil[′bərch ‚tär ‚ȯil] (materials) A toxic liquid mixture of guaiacol, phenols, cresol, xylenol, and creosol; derived from distillation of birch tar and by dry distillation of the wood of Betula alba ; used as a disinfectant, in leather dressing, and in medicine. birch tar oil
birch tar oil (berch tar oyl), Pyroligneous oil obtained by the dry distillation of the wood of Betula alba and rectified by steam distillation; used externally in the treatment of skin diseases. Synonym(s): birch tar |