expired gas

expired gas definition - medical

ex·pired gas (ĭk-spīrdˈ)

noun
  1. A gas that has been expired from the lungs.
  2. See mixed expired gas.

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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