Nitrous oxide

nitrous oxide

n.

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

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Nitrous oxide

A colorless, sweet-smelling gas used by dentists for mild anesthesia. It is sometimes called laughing gas because it makes some patients feel giddy or silly.

Mentioned in: Tooth Extraction

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nitrous oxide (NO) (nī´trs ok´sīd),

n (laughing gas, nitrogen monoxide, nitrogen monoxidum), a gas with a sweet odor and taste used with oxygen as an analgesic and sedative agent for the performance of minor operations. It is sometimes called
laughing gas because it may excite a hilarious delirium preceding insensibility.