pine tar

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pine tar

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

pine tar

n.
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.
References in periodicals archive ?
"Some 40 to 50 per cent of our total strategic raw material imports each year comprise alumina, the balance comprising calcined petroleum coke, liquid pitch, baked anodes, aluminium fluoride, potlining materials, process materials and refractory items," he said.
* The liquid pitch handling system at the port is equipped with a regenerative catalytic oxidation (RCO) unit while the Paste Plant has pitch fume scrubbing and regenerative thermal oxidation (RTO) to reduce volatile organic compounds (VOC) and PAH emission.
Dubai: Emirates Aluminium (EMAL) has signed two raw material supply contracts for liquid pitch and aluminium fluoride as it moves closer to production date, the company announced Tuesday.