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nitrous oxide - 5 dictionary results

nitrous oxide

–noun Chemistry, Pharmacology.
a colorless, sweet-smelling, sweet-tasting, nonflammable, slightly water-soluble gas, N2O, that sometimes produces a feeling of exhilaration when inhaled: used chiefly as an anesthetic in dentistry and surgery, in the manufacture of chemicals, and as an aerosol.
Also called laughing gas.


Origin:
1790–1800
nitrous oxide  
n.  A colorless, sweet-tasting gas, N2O, used as a mild anesthetic in dentistry and surgery.

Main Entry: nitrous oxide
Function: noun
: a colorless gas N2O that when inhaled produces loss of sensibility to pain preceded by exhilaration and sometimeslaughter and is used especially as an anesthetic in dentistry called also laughing gas

nitrous oxide n.
A colorless sweet-tasting gas used as a mild anesthetic in dentistry and surgery.

nitrous oxide  
A colorless, sweet-smelling gas. It is used as a mild anesthetic, often called laughing gas. Nitrous oxide occurs naturally in the atmosphere and is a greenhouse gas. Chemical formula: N2O.
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