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decongestants - 3 dictionary results

de⋅con⋅ges⋅tant

[dee-kuhn-jes-tuhnt] Pharmacology
–adjective
1. of or pertaining to a substance that relieves mucus congestion of the upper respiratory tract.
–noun
2. any such substance.

Origin:
1945–50; de- + congest + -ant
de·con·ges·tant   (dē'kən-jěs'tənt)   
n.  A medication or treatment that breaks up congestion, as of the sinuses, by reducing swelling.
adj.  Capable of relieving congestion.
decongestant   (dē'kən-jěs'tənt)  Pronunciation Key 
A medication that reduces congestion of the nose or sinuses, usually by causing vasoconstriction.
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