argon

noun
ar·​gon | \ ˈär-ˌgän How to pronounce argon (audio) \

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 For comparison purposes, Earth's atmosphere is 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.03 percent carbon dioxide and trace amounts of other elements. Fox News, "NASA denies there are living 'insect- and reptile-like creatures' on Mars," 22 Nov. 2019 During the process the torch blows an inert gas, such as argon, over the weld to protect it. The Economist, "Giant 3D printers for making boats, bridges, buildings and rockets," 14 Nov. 2019 For comparison purposes, Earth's atmosphere is 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.03 percent carbon dioxide and trace amounts of other elements. Fox News, "NASA detects mysterious oxygen changes on Mars it's 'struggling to explain'," 13 Nov. 2019 These oils are integrated with active ingredients like argon and organic coconut oil to create a dark and light shade. Nandi Howard, Essence, "The Kooples Partner With Clarins For A Moisturizing Lip Oil," 15 Oct. 2019 At 470 meters from the source sits MicroBooNE, a 170-ton liquid argon detector that has been running since 2015. Adrian Cho, Science | AAAS, "Resurrected detector will hunt for some of the strangest particles in the universe," 8 Aug. 2019 The team dated the skull using the radioactive decay of isotopes of argon in the surrounding sediments. Michael Price, Science | AAAS, "Stunning ancient skull shakes up human family tree," 28 Aug. 2019 The argon would have to be chilled to –186°C and contaminants reduced to levels of parts in a trillion. Adrian Cho, Science | AAAS, "Resurrected detector will hunt for some of the strangest particles in the universe," 8 Aug. 2019 Hubbard’s thoughts on Thetans will survive anything, as they’re reportedly inscribed on etched steel plates in titanium containers filled with inert argon gas. Matt Farwell, The New Republic, "Jeffrey Epstein Chose New Mexico for a Reason," 15 Aug. 2019

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.

See More

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

Keep scrolling for more

Learn More about argon

Time Traveler for argon

Time Traveler

The first known use of argon was in 1894

See more words from the same year

Statistics for argon

Last Updated

6 Dec 2019

Cite this Entry

“Argon.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/argon. Accessed 11 December 2019.

Keep scrolling for more

More Definitions for argon

argon

noun
How to pronounce argon (audio)

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 How to pronounce argon (audio) \

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

Keep scrolling for more

More from Merriam-Webster on argon

Rhyming Dictionary: Words that rhyme with argon

Spanish Central: Translation of argon

Nglish: Translation of argon for Spanish Speakers

Britannica English: Translation of argon for Arabic Speakers

Britannica.com: Encyclopedia article about argon

Comments on argon

What made you want to look up argon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

heavy with or as if with moisture

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!