birch tar
Noun
Meaning
birch tar
A substance (liquid when heated) derived from dry distillation of birch bark, and composed of phenols such as guaiacol, cresol, xylenol and creosol.
Noun
birch tar
A substance (liquid when heated) derived from dry distillation of birch bark, and composed of phenols such as guaiacol, cresol, xylenol and creosol.