GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   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]