Definition of hyperventilate verb from the Oxford Advanced American Dictionary

 

hyperventilate

 verb
verb
NAmE//ˌhaɪpərˈvɛntəˌleɪt//
 
[intransitive](technology)Verb Forms present simple I / you / we / they hyperventilate
 
he / she / it hyperventilates
 
past simple hyperventilated
 
-ing form hyperventilating
 
 
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to breathe too quickly because you are very frightened or excited
hyperventilation
 
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NAmE//ˌhaɪpərˌvɛntəˈleɪʃn//
 
noun [uncountable] The symptoms of hyperventilation can mimic all the symptoms of anxiety and chronic stress.
See the Oxford Advanced Learner's Dictionary entry: hyperventilate