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Medical Term:

birch tar oil

Pronunciation: berch tar oyl

Definition: 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

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.