Hyperventilation

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  hyperventilation \hyperventilation\ n.
     1. The act or process of hyperventilating; breathing rapidly
        and deeply.
        [PJC]
  
     2. (Med.) A condition in which alveolar carbon dioxide


        concentration is markedly lower than normal, usually due
        to breathing rapidly and deeply.
        [PJC]

From WordNet (r) 2.0 [wn]:

  hyperventilation
       n : an increased depth and rate of breathing greater than
           demanded by the body needs; can cause dizziness and
           tingling of the fingers and toes and chest pain if
           continued