pine tar(redirected from liquid pitch)
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substance obtained by the destructive distillation of the wood of Pinus palustris and other species of Pinus; used internally as an expectorant and externally in the treatment of skin diseases.
Synonym(s): liquid pitch
Farlex Partner Medical Dictionary © Farlex 2012
A viscous or semisolid brown-to-black substance produced by the destructive distillation of pine wood and used in roofing compositions and as an expectorant and antiseptic.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.