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laughing gas

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson 0.03 sec.
laughing gas: see nitrous oxide nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and other solvents.
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nitrous oxide

 or laughing gas

Inorganic compound, one of the oxides of nitrogen. A colourless gas with a pleasantly sweetish odour and taste, it has an analgesic effect when inhaled; it is used as an anesthetic (often called just “gas”) in dentistry and surgery. This effect is preceded by mild hysteria, sometimes with laughter, hence the name laughing gas. It is also used as a propellant in food aerosols and as a leak detector.


laughing gas
(nitrous oxide) sweet-smelling, colorless gas; produces feeling of euphoria. [Medicine: Misc.]
See : Laughter


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Nitrous oxide, also known as laughing gas, is an odorless gas used by dentists as a painkiller, but when abused, it can be as dangerous as any other inhalant.
Nitrous oxide, also known as laughing gas, is an odorless gas used by dentists as a painkiller, but when abused, it can be as dangerous as any other inhalant.
The rocket motor is also unconventional: It uses nitrous oxide - laughing gas - and rubber.
 
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