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laughing gases

 - 8 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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: laughing gas
Function: noun
: NITROUS OXIDE

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
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

laughing gas laugh·ing gas (lāf'ĭng)
n.
Nitrous oxide, especially as used as an anesthetic.

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
laughing gas   (lāf'ĭng)  Pronunciation Key 
Nitrous oxide used as a mild anesthetic.
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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