hyperventilation
noun
hy·per·ven·ti·la·tion ˌhī-pər-ˌven-tə-ˈlā-shən 
: excessive rate and depth of respiration leading to abnormal loss of carbon dioxide from the blood
Example Sentences
Recent Examples on the Web Ten might cause immediate hyperventilation among coaches whose job status is hanging by a thread. 
Blake Toppmeyer, USA TODAY, 8 Aug. 2022 Try to prevent hyperventilation and holding your breath for too long, which can lead to blacking out and drowning. Chandra Fleming, Detroit Free Press, 31 May 2022 One of those exercises is a rapid breathing technique known as hyperventilation, in which Cassiday would intentionally provoke Jackson's anxiety. David Begnaud, CBS News, 4 Apr. 2022 Cue the rapid inhales of imminent hyperventilation. Washington Post, 20 Jan. 2022 Some actors, tasked with the portrayal of traumatic encounters amid personal loss, might tend toward sobbing or hyperventilation. Emily Witt, The New Yorker, 15 Nov. 2021 Unfortunately, focusing too much on inhalations without fully exhaling can lead to overbreathing: inhaling more than exhaling, akin to hyperventilation. Dana Santas, CNN, 7 July 2021 Despite all the media hype and Democratic Party hyperventilation, the only person shot and killed on Jan. 6 was a protester, an unarmed woman who was an Air Force veteran. WSJ, 18 June 2021 Its useful observations — about his nullifying lack of collegiality, about his noxious self-righteousness — were undercut by its hyperventilation. Frank Bruni New York Times, Star Tribune, 17 June 2021 See More
Blake Toppmeyer, USA TODAY, 8 Aug. 2022 Try to prevent hyperventilation and holding your breath for too long, which can lead to blacking out and drowning. Chandra Fleming, Detroit Free Press, 31 May 2022 One of those exercises is a rapid breathing technique known as hyperventilation, in which Cassiday would intentionally provoke Jackson's anxiety. David Begnaud, CBS News, 4 Apr. 2022 Cue the rapid inhales of imminent hyperventilation. Washington Post, 20 Jan. 2022 Some actors, tasked with the portrayal of traumatic encounters amid personal loss, might tend toward sobbing or hyperventilation. Emily Witt, The New Yorker, 15 Nov. 2021 Unfortunately, focusing too much on inhalations without fully exhaling can lead to overbreathing: inhaling more than exhaling, akin to hyperventilation. Dana Santas, CNN, 7 July 2021 Despite all the media hype and Democratic Party hyperventilation, the only person shot and killed on Jan. 6 was a protester, an unarmed woman who was an Air Force veteran. WSJ, 18 June 2021 Its useful observations — about his nullifying lack of collegiality, about his noxious self-righteousness — were undercut by its hyperventilation. Frank Bruni New York Times, Star Tribune, 17 June 2021 See More Word History
First Known Use
1928, in the meaning defined above
Medical Definition
hyperventilation
noun
hy·per·ven·ti·la·tion -ˌvent-ᵊl-ˈā-shən
: excessive ventilation
specifically : excessive rate and depth of respiration leading to abnormal loss of carbon dioxide from the blood
called also overventilation