noble gas

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noun Chemistry.

any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon.

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Also called inert gas.

Origin of noble gas

First recorded in 1900–05

Words nearby noble gas

nobility, no bill, noble, noble art, noble fir, noble gas, nobleman, noble metal, noble-minded, noble opal, noble rot

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use noble gas in a sentence

Those reaction-resistant atoms became known as the inert or noble gases, as under ordinary conditions they all existed in the gaseous state.
The Top 10 scientific surprises of Science News’ first 100 years|Tom Siegfried|September 20, 2021|Science News
These include plasma generated using noble gases, as well as plasma generated from air.
Cold plasma could transform the sustainable farms of the future|Stephen Ornes|September 8, 2021|Science News
Many agricultural experiments include a mix of noble gases and air to yield ions of nitrogen and oxygen.
Cold plasma could transform the sustainable farms of the future|Stephen Ornes|September 8, 2021|Science News
Broadley and his colleagues found that the composition of noble gases in these billions-year-old diamonds closely matched the composition found in today’s upper mantle.
Diamonds contain remnants of Earth’s ancient atmosphere|Monroe Hammond|July 20, 2021|Popular-Science

By measuring the proportion of isotopes in the noble gases, researchers could determine if the mantle had already released its gases into the atmosphere at the time of the diamond’s creation.
Diamonds contain remnants of Earth’s ancient atmosphere|Monroe Hammond|July 20, 2021|Popular-Science
Security officials told Agence France-Presse that the gas station manager said he had recognized the two men.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST
Unconfirmed reports in the French media claimed that the brothers were spotted at a gas station in northern France on Thursday.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST
Total oil production figures include crude oil, natural gas liquids, and other liquid energy products.
Fact-Checking the Sunday Shows: Jan. 4|PunditFact.com|January 5, 2015|DAILY BEAST
On top of oil, the United States produces significantly more natural gas than Saudi Arabia.
Fact-Checking the Sunday Shows: Jan. 4|PunditFact.com|January 5, 2015|DAILY BEAST
Her slight miscalculation of how to fix the situation leads to her driving around the gas pump.
Slow Motion Tiger Jump, a Tornado at the Rose Bowl and More Viral Videos|The Daily Beast Video|January 4, 2015|DAILY BEAST
I find myself chained to the foot of a woman, my noble Cornelia would despise!
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
What course was taken to supply that assembly when any noble family became extinct?
Gulliver's Travels|Jonathan Swift
He remembered how his father had execrated this noble enemy, even at the time he declared his worth.
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
And when wine had unselfed my noble father, you received his passionate insults with forbearance and forgiveness!
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
The consequence of this quarrel was that, early in 1794, he found himself accused as a ci-devant noble.
Napoleon's Marshals|R. P. Dunn-Pattison

British Dictionary definitions for noble gas

noble gas

noun

another name for inert gas (def. 1)

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

Medical definitions for noble gas

noble gas

[ nō′bəl ]

Any of the elements in Group O of the periodic table, including helium, neon, argon, krypton, xenon, and radon, which are monatomic and with limited exceptions chemically inert.inert gas

Scientific definitions for noble gas

noble gas

[ nō′bəl ]

Any of the six gases helium, neon, argon, krypton, xenon, and radon. Because the outermost electron shell of atoms of these gases is full, they do not react chemically with other substances except under certain special conditions. Also called inert gas See Periodic Table.