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inert gas

noun Chemistry.
  1. noble gas.
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Origin of inert gas

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for inert gas

inert gas

noun
  1. Also called: noble gas, rare gas, argonon any of the unreactive gaseous elements helium, neon, argon, krypton, xenon, and radon
  2. (loosely) any gas, such as carbon dioxide, that is nonoxidizing
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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

inert gas in Medicine

inert gas

n.
  1. noble gas

inert gas in Science

inert gas

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