pine tar

pine tar definition - medical

pine tar (pīn)

noun
A viscous or semisolid brown-to-black substance produced by distillation of pine wood and used as an expectorant and antiseptic.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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