hyperventilation
[ hahy-per-ven-tl-ey-shuh n ]
/ ˌhaɪ pərˌvɛn tlˈeɪ ʃən /
noun
excessively rapid and deep breathing.
a condition characterized by abnormally prolonged and rapid breathing, resulting in decreased carbon dioxide levels and increased oxygen levels that produce faintness, tingling of the fingers and toes, and, if continued, alkalosis and loss of consciousness.
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Origin of hyperventilation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for hyperventilation
hyperventilation
/ (ˌhaɪpəˌvɛntɪˈleɪʃən) /
noun
an increase in the depth, duration, and rate of breathing, sometimes resulting in cramp and dizziness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for hyperventilation
hyperventilation
1907, from hyper- + ventilation. Earlier as a type of treatment for lung diseases.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for hyperventilation
hyperventilation
[ hī′pər-vĕn′tl-ā′shən ]
n.
Abnormally fast or deep respiration resulting in the loss of carbon dioxide from the blood, thereby causing a decrease in blood pressure and sometimes fainting.
Related formshy′per•ven′ti•late′ v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.