nitrous oxide

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nitrous oxide

A colorless, sweet-tasting gas, N₂O, used as a mild anesthetic in dentistry and surgery.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

nitrous oxide

(Elements & Compounds) a colourless nonflammable slightly soluble gas with a sweet smell: used as an anaesthetic in dentistry and surgery. Formula: N2O. Systematic name: dinitrogen oxide Also called: laughing gas

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ni′trous ox′ide

a colorless, sweet-smelling gas, N₂O, that may induce euphoria when inhaled: used for mild anesthesia.

[1790–1800]

nitrous oxide

A colorless, sweet-smelling gas, N₂O. It is used as a mild anesthetic, in which use it is often called laughing gas. Nitrous oxide occurs naturally in the atmosphere and is a greenhouse gas.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

nitrous oxide - inhalation anesthetic used as an anesthetic in dentistry and surgery

laughing gas

inhalation anaesthetic, inhalation anesthetic, inhalation general anaesthetic, inhalation general anesthetic - a gas that produces general anesthesia when inhaled

ammonium nitrate - used as an explosive and fertilizer and rocket propellant

Translations

typpioksiduuli

gas esilaranteossido di diazoto

nitrous oxide

n óxido nitroso

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For residential areas, NO2 and SO2 levels should not exceed 100 E1/4g/ m3 and SPM and RSPM levels should not be more than 200 and 100 E1/4g/ m3 Similarly in industrial areas, NO2 and SO2 levels should not exceed 120 E1/4g/ m3 and SPM and RSPM levels should not be more than 500 and 150 E1/4g/ m3 .

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The 24 hour average of NO2 was 30.26 ug/m3 thrice higher than yesterday's reading and SO2 was 13.23 ug/m3 against the NEQS of 80 and 120 ug/m3.

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In children who were detected with NO2, the researchers consistently found those children experienced ''asthma-like'' symptoms, including ''wheeze''.