nitrous oxide
nitrous oxide
nounDefinition of NITROUS OXIDE
: 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 also laughing gas
See First Known Use of NITROUS OXIDE
1798
Learn More About NITROUS OXIDE
Browse
Next Word in the Dictionary: nitrous vitriol
Previous Word in the Dictionary: nitrous ether
All Words Near: nitrous oxide
Previous Word in the Dictionary: nitrous ether
All Words Near: nitrous oxide
Seen & Heard 
What made you want to look up nitrous oxide? Please tell us where you read or heard it (including the quote, if possible).
