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hyperventilate

[hahy-per-ven-tl-eyt] /ˌhaɪ pərˈvɛn tlˌeɪt/
verb (used without object), hyperventilated, hyperventilating.
1.
to be afflicted with hyperventilation; breathe abnormally fast and deep.
verb (used with object), hyperventilated, hyperventilating.
2.
to cause (a patient) to breathe more rapidly and deeply than normal.
Origin
1930-1935
1930-35; back formation from hyperventilation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hyperventilates

hyperventilate

/ˌhaɪpəˈvɛntɪleɪt/
verb
1.
(intransitive) to breathe in an abnormally deep, long, and rapid manner, 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
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