NITROUS OXIDE


Meaning of NITROUS OXIDE in English

[nitrous oxide] n (1800): a colorless gas that when inhaled produces loss of sensibility to pain preceded by exhilaration and sometimes laughter and is used esp. as an anesthetic in dentistry and that is an atmospheric pollutant produced by combustion and a suspected contributor to greenhouse warming--called also laughing gas

Merriam-Webster English vocab.      Английский словарь Merriam Webster.