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English Lexicon

Hyperventilation

/ˌhaɪ.pɚˌvɛn.tɪˈleɪ.ʃən/
nounCEFR C1 (Advanced)Top #14500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A condition characterized by abnormally fast or deep breathing, leading to a decrease in carbon dioxide levels in the blood.

    "During the panic attack, she experienced hyperventilation, making her feel lightheaded."
  2. 2

    The act of breathing at an increased rate, often due to stress or anxiety.

    "Hyperventilation can occur during intense physical exertion or emotional distress."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the New Latin prefix 'hyper-' (meaning excessive, from Ancient Greek ὑπέρ) combined with 'ventilation', originating from the Latin 'ventilationem' (to air or fan). The medical term was coined in the early 20th century to describe rapid or deep breathing that results in abnormal loss of carbon dioxide.

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