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laughing gas

Origin of laughing gas
1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for laughing gas

laughing gas

another name for nitrous oxide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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laughing gas in Medicine

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

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