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Medical Definition of White pitch
1. A resinous exudation from the spruce fir or Norway spruce, Picea excelsa; has been used as a counterirritant in the form of a plaster. Synonym: white pitch. (05 Mar 2000)
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1. A resinous exudation from the spruce fir or Norway spruce, Picea excelsa; has been used as a counterirritant in the form of a plaster. Synonym: white pitch. (05 Mar 2000)