hyperventilation Hear it!

hyperventilation definition

hyper·ven·ti·la·tion (hī′pər vent′'l ās̸hən)

noun

extremely rapid or deep breathing that may cause dizziness, fainting, etc. as a result of a rapid loss of carbon dioxide

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Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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