de-congest

decongest

[dee-kuhn-jest]
verb (used with object)
to diminish or end the congestion of.

Origin:
1955–60; de- + congest, or by back formation from decongestant

decongestion, noun
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American Heritage
Medical Dictionary

decongest de·con·gest (dē'kən-jěst')
v. de·con·gest·ed, de·con·gest·ing, de·con·gests
To relieve congestion, such as of the sinuses.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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