Definitions for "hyperventilation"
The act or process of hyperventilating; breathing rapidly and deeply.
A condition in which alveolar carbon dioxide concentration is markedly lower than normal, usually due to breathing rapidly and deeply.
Hyperventilation, or overventilation, is described by abnormally fast or deep respiration in which excessive quantities of air are taken in, causing buzzing in the ears, tingling in the extremities and sometimes fainting.