: a colorless gas N2O that when inhaled produces loss of sensibility to pain preceded by exhilaration and sometimes laughter, that is used especially as an anesthetic in dentistry and as a fuel, and that is an atmospheric pollutant and greenhouse gas produced by combustion
called alsolaughing gas
compare nitric oxide
Example Sentences
Recent Examples on the WebIf fertilizer is only applied to the non-compacted part of the field, emissions of the potent greenhouse gas nitrous oxide a greatly reduced. Steven Savage, Forbes, 26 Aug. 2022 Once the mask is removed, the effects of nitrous oxide quickly wear off. Vanessa Etienne, Peoplemag, 23 Aug. 2022 Targa faced state fines of $100,000 for carbon monoxide and nitrous oxide emissions. Michael Biesecker And Helen Wieffering, Anchorage Daily News, 28 July 2022 The most common greenhouse gas is carbon dioxide, primarily emitted through the burning of fossil fuels, though methane, nitrous oxide, fluorinated gases and water vapor also contribute to warming. Joan Meiners, The Arizona Republic, 5 Apr. 2022 Many common anesthetic gases — like nitrous oxide, desflurane, sevoflurane, and isoflurane — are planet-warming greenhouse pollutants themselves. Globe Staff, BostonGlobe.com, 15 July 2022 For years, our team at CleanBay Renewables has focused on the modeling, quantification and verification process for reducing nitrous oxide (N2O) emissions. Thomas Spangler, Forbes, 1 July 2022 Phil McMullin of the Orange Police Department told the station that the car was engulfed in flames and a nitrous oxide tank and balloons were found in and around the vehicle. Cindy Carcamostaff Writer, Los Angeles Times, 9 July 2022 The devices are used to catalyze, or chemically convert harmful exhaust gases such as hydrocarbons, carbon monoxide and nitrous oxide from a car’s gas engine. Bill Roberson, Forbes, 30 Apr. 2022 See More
Word History
First Known Use
1798, in the meaning defined above
Medical Definition
nitrous oxide
noun
: a colorless gas N2O that when inhaled produces loss of sensibility to pain preceded by exhilaration and sometimes laughter and is used especially as an anesthetic in dentistry