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nitrous oxide: Meaning and Definition of
ni'trous ox'ide
Pronunciation: [key]
— Chem., Pharm. Chem.,Pharm.
- a colorless, sweet-smelling, sweet-tasting, nonflammable, slightly water-soluble gas, NO, 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
