laughing gas

See synonyms for laughing gas on Thesaurus.com

Origin of laughing gas

1
First recorded in 1835–45

Words Nearby laughing gas

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use laughing gas in a sentence

  • Johnnie felt as if she had taken a dose of laughing-gas, at the sight of twenty boys and girls all at once, real boys, real girls!

    Nine Little Goslings | Susan Coolidge
  • The oxide of nitrogen so formed is called nitrous oxide or laughing gas.

British Dictionary definitions for laughing gas

laughing gas

noun
  1. 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

Scientific definitions for laughing gas

laughing gas

[ lăfĭng ]


  1. Nitrous oxide used as a mild anesthetic.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.