Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A medication or treatment that breaks up congestion, as of the sinuses, by reducing swelling.
  • adj. Capable of relieving congestion.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A drug that relieves congestion, e.g. pseudoephedrine.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a drug that decreases pulmonary congestion

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