This shows grade level based on the word's complexity.
nitrous oxide
Save This Word!
This shows grade level based on the word's complexity.
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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also called laughing gas.
Origin of nitrous oxide
First recorded in 1790–1800
Words nearby nitrous oxide
nitrosylsulfuric acid, nitrous, nitrous acid, nitrous bacteria, nitrous ether, nitrous oxide, nitroxanthic acid, nits-and-lice, Nitti, nitty, nitty-gritty
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nitrous oxide in a sentence
British Dictionary definitions for nitrous oxide
nitrous oxide
noun
a colourless nonflammable slightly soluble gas with a sweet smell: used as an anaesthetic in dentistry and surgery. Formula: N 2 OSystematic name: dinitrogen oxide Also called: laughing gas
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 nitrous oxide
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.