| birch tar o. |
a pyroligneous oil obtained by dry distillation of the bark and wood of various birches (genus Betula), especially B. alba, rectified by steam distillation; used topically in the treatment of eczema and other dermatitides.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| birch | a canoe made with the bark of a birch tree |
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| birch | consisting of or made of wood of the birch tree |