argon
a colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; atomic number: 18; atomic weight: 39.948.
Origin of argon
1Words Nearby argon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use argon in a sentence
If you want to level up from the classic topper you received as a holiday gift, Herwaldt swears by the Repour Wine Saver, which introduces argon into the open bottle.
The ultracold temps would have made nitrogen, argon, krypton and xenon freeze solid.
Born in deep shadows? That could explain Jupiter’s strange makeup | Ken Croswell | August 6, 2021 | Science News For StudentsSome of the most advanced modern detectors trace their lineage back to multiwire proportional chambers, such as liquid argon time projection chambers.
How particle detectors capture matter’s hidden, beautiful reality | Emily Conover | August 5, 2021 | Science NewsThe frosty temperature made nitrogen, argon, krypton and xenon freeze solid and become a greater part of the planet, the scientists suggest in a study in the July Astronomy & Astrophysics.
A shadowy birthplace may explain Jupiter’s strange chemistry | Ken Croswell | July 6, 2021 | Science NewsThis same phenomenon is at work in neon signs, which are tubes of gases such as neon, helium and argon.
The aurora borealis skipped this Alaska photography class. But some swinging light cords saved the night. | Bailey Berg | February 26, 2021 | Washington Post
The atmosphere of the earth is composed mainly of very volatile elements, known as nitrogen and argon.
Outlines of the Earth's History | Nathaniel Southgate Shaler(Beilage), pp. 33-43, entitled Professor Grtz un' der jdischer argon, oder Wer mit ws darf sich schmen?
argon, ar′gon, n. a constituent element of our atmosphere, discovered in 1894 by Rayleigh and Ramsay.
They soon succeeded in isolating this denser gas, to which they gave the name of argon.
Marvels of Scientific Invention | Thomas W. CorbinIt combines directly with nitrogen, when heated in the gas, to form the nitride Mg3N2 (see argon).
British Dictionary definitions for argon
/ (ˈɑːɡɒn) /
an extremely unreactive colourless odourless element of the rare gas series that forms almost 1 per cent (by volume) of the atmosphere. It is used in electric lights. Symbol: Ar; atomic no: 18; atomic wt: 39.948; density: 1.7837 kg/m³; freezing pt: –189.3°C; boiling pt: –185.9°C
Origin of argon
1Collins 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 argon
[ är′gŏn′ ]
A colorless, odorless element in the noble gas group. Argon makes up about one percent of the atmosphere. It is used in electric light bulbs, fluorescent tubes, and radio vacuum tubes. Atomic number 18; atomic weight 39.948; melting point -189.2°C; boiling point -185.7°C. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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