argon

noun
ar·gon | \ˈär-ˌgän \

Definition of argon 

: a colorless odorless inert gaseous element found in the air and in volcanic gases and used especially in welding, lasers, and electric bulbs — see Chemical Elements Table

Examples of argon in a Sentence

Recent Examples on the Web

The relative humidity of the argon gas is at 40 percent, and the case remains continually at 67 degrees Fahrenheit. Joe Pappalardo, Popular Mechanics, "The Science of Saving the Declaration of Independence," 3 July 2018 Yet this explanation works only if the nitrogen DAMA uses in one step of their procedure contains argon, which is unknown. Natalie Wolchover, WIRED, "Trouble Detected in Infamous Dark Matter Signal," 18 Apr. 2018 Under normal conditions, the air people breathe consists of about 21 percent oxygen, 78 percent nitrogen and one percent argon and other gases, including carbon dioxide. New York Times, "8 Saved, 5 to Go in Thai Cave Rescue," 9 July 2018 Noble gases such as argon and neon are added to specialized glass tubes, where air and impurities are vacuumed out. Jessica Christian, SFChronicle.com, "Glass bender melds art, science to create and restore neon signs," 9 July 2018 Mars' atmosphere is 95.97 percent carbon dioxide, 1.89 percent nitrogen, 1.93 percent argon, 0.0557 percent carbon monoxide and just 0.146 percent oxygen. Chris Ciaccia, Fox News, "How Buzz Aldrin wants to make Mars habitable," 28 June 2018 By comparison, Earth's atmosphere is made up nitrogen (78.09 percent), oxygen (20.95 percent), argon (0.93 percent), carbon dioxide (0.04 percent) and small amounts of other gases. Chris Ciaccia, Fox News, "How Buzz Aldrin wants to make Mars habitable," 28 June 2018 The same is true of other physiologically inert gases, including helium and argon, which kill only by replacing oxygen. Author: Denise Grady, Jan Hoffman, Anchorage Daily News, "States turn to an unproven method of execution: nitrogen gas," 8 May 2018 Certain isotopes of argon radioactively decay more or less depending on the season. Natalie Wolchover, WIRED, "Trouble Detected in Infamous Dark Matter Signal," 18 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'argon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of argon

1894, in the meaning defined above

History and Etymology for argon

Greek, neuter of argos idle, lazy, from a- + ergon work; from its relative inertness — more at work

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Time Traveler for argon

The first known use of argon was in 1894

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More Definitions for argon

argon

noun

English Language Learners Definition of argon

: a chemical element that is a colorless gas and that is used in various products (such as lasers and some electric light bulbs)

argon

noun
ar·gon | \ˈär-ˌgän \

Medical Definition of argon 

: a colorless odorless inert gaseous element found in the air and in volcanic gases and used especially in lasers and electric bulbs symbol Ar — see Chemical Elements Table

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