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hyperventilation

noun [U]
 
 
/ˌhaɪ.pəˌven.tɪˈleɪ.ʃən/ US  /-pɚˌven.t̬əlˈeɪ-/ specialized

Definition

breathing too quickly and so causing too much oxygen to enter the blood: Hyperventilation can be caused by fear or panic.Respiratory disordersBreathing and stopping breathing hyperventilate
 
 
/-ˈven.tɪ.leɪt/ US  /-ˈven.t̬əl.eɪt/ verb [I]
(Definition of hyperventilation noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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