| | Nitrous oxide -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08) |
 | | It is used in surgery and (The branch of medicine dealing with the anatomy and development and diseases of the teeth) dentistry for its (A drug that causes temporary loss of bodily sensations) anaesthetic and (A medicine used to relieve pain) analgesic effects. |
 | | The structure of the nitrous oxide ((physics and chemistry) the simplest structural unit of an element or compound) molecule is a linear chain of a nitrogen atom bound to a second nitrogen, which in turn is bound to an oxygen atom. |
 | | The gas is licensed for use as a (An additive to food intended to improve its flavor or appearance or shelf-life) food additive, specifically as an aerosol propellant. |
| www.absoluteastronomy.com /encyclopedia/n/ni/nitrous_oxide.htm (1592 words) |