Encyclopedia

birch tar oil

Also found in: Medical.

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
For those that have a lovely Silver Birch in the garden, the uses seem to be endless from a beer made using the springtime sap to a cure for psoriasis made from birch tar oil.
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